TWM597280U - Locking structure for cord reel device - Google Patents

Abstract

A locking structure for a wire take-up device includes: an operating lever with two protruding blocks extending outward and reversely; a stop seat, a fixing plate provided on the wire take-up device, with a shaft hole and two locking grooves, and the operating lever is worn Through shaft hole and perforation of fixing plate; locking piece, with positioning block fixed on the operating rod, and locking piece fixed on the positioning block and with external gear part; elastic element, both ends against the locking piece and the stop Seat; shaft sleeve, fixed on the fixed plate and sleeved on the locking member; the locked piece, rotatably on the sleeve and fixed on the wire wheel of the take-up device, and has a clamping hole and an internal gear portion; The operating lever is in the locked position, the two projections interfere with the two locking grooves, and the external gear part meshes with the internal gear part; when the operating lever is in the released position, the two projections are pushed forward by the surface of the stopper, and the external gear part does not mesh with Internal gear section.

Description

Locking structure for wire take-up device

This creation is related to the wire reel, and in particular refers to a locking structure for the wire take-up device.

According to press, the conventional wire take-up device is mainly composed of a support frame and a spool that is rotatably installed on the support frame by a rotating shaft, and has the functions of winding and unwinding.

However, in the aforementioned conventional technology, the reel is in a freely rotatable state. When the pipeline is wound around the reel and stored, the reel is easily rotated by the external force, causing part of the pipeline to be disconnected from the reel or wound. Not tight, which may cause the pipeline to be damaged by being pressed or trampled by other heavy objects or people. In addition, when the user pulls out the required length of the pipeline from the custom-made wire take-up device, the reel is also easily affected by external forces. Rotate to make the pipeline disconnected from the reel too long and partly fall to the ground. The user must always pay attention to avoid damage to the pipeline due to stepping, which will cause inconvenience to the user.

In view of the above-mentioned deficiencies, the main purpose of this creation is to provide a locking structure for a take-up device that can be operated by a user to limit or prevent interference with the reel.

In order to achieve the above purpose, the present invention provides a locking structure for a wire take-up device, which is provided in a wire take-up device, the wire take-up device has a frame, a fixing plate and a wire wheel, the fixing plate has a perforation, The wire wheel is rotatably provided on the frame body through a rotating shaft. The locking structure for the wire take-up device includes: an operating lever with two protrusions extending in the radial outward direction; a stopper , Located on the fixing plate and located in front of the fixing plate, the stopper has a shaft hole penetrating back and forth to communicate with the perforation, and has two locking grooves recessed backward from its front end, the two locking grooves are located on the shaft Both sides of the hole are open toward one end of the shaft hole, the operating rod passes through the shaft hole and the perforation; a locking member has a positioning block and a catching member, the positioning block is fixed on the operating rod and Located at the rear end, the outer surface of the latching member has an external gear portion, the latching member is fixed on the positioning block and located behind the positioning block; an elastic element, both ends of which respectively bear against the locking member and the stopper The retaining seat, whose elastic restoring force pushes the locking member backward; a shaft sleeve that penetrates back and forth and is fixed to the fixing plate and sleeves on the locking member; and, a locked member has a clamping hole penetrating back and forth The locked member has an internal gear portion located on the inner peripheral wall of the clamping hole, the locked member is fixed to the reel and rotates with the reel, and the locked member is rotatably disposed on the bushing; The operating lever is used for the user to rotate and move between a locked position and a released position. When the operating lever is in the locked position, the elastic element pushes the locking member and the operating lever to move backward The two lugs interfere with the two locking grooves, and the external gear part meshes with the internal gear part; when the operating lever is not in the locked position, it is in the release position, and the two lugs are stopped by the The surface of the seat is pushed forward to disengage the external gear portion without engaging the internal gear portion.

Preferably, the stop seat further has two positioning grooves recessed backward from its front end, the two positioning grooves are open toward one end of the shaft hole, and the depth of the two positioning grooves in the front-rear direction makes the two protrusions When the block is located in the two positioning grooves, the external gear portion of the locking member will not mesh with the internal gear portion, and the wall surfaces of the two grooves of each positioning groove gradually expand forward and outward.

Preferably, the two locking grooves and the two positioning grooves are equidistant from each other and arranged at an annular interval with respect to the shaft hole.

Preferably, the front end of the stop base has a front end surface, the stop base protrudes forward from the front end to a boss, and the two positioning grooves are provided on the boss.

Preferably, the wall surfaces of the two grooves of each of the locking grooves on the boss are gradually expanded forward and outward.

Preferably, the operating lever further has a first shoulder extending radially outwards, and the two protrusions project from two outer sides of the first shoulder opposite to each other; the stopper seat further has a back from the front end A round groove is recessed, the shaft hole penetrates the bottom of the round groove, and when the operating lever is in the locked position, the first shoulder is located in the round groove.

Preferably, the positioning block further has a second shoulder that protrudes outward; the caliber of the front and rear openings of the sleeve is large front and small and forms a step surface on the inner wall of its peripheral wall; wherein, when the operating lever is located In the release position, the second shoulder is located in front of the step face but does not touch; when the operating lever is in the locked position, the second shoulder is pressed against the sleeve.

Preferably, a turntable is further included at the front end of the operating lever.

In order to explain in detail the structure and characteristics of this creation, the following preferred embodiments are described below with the help of illustrations, in which:

As shown in FIGS. 1 to 8, a locking structure 10 for a wire take-up device provided by the first preferred embodiment of the present invention is used to be installed in a wire take-up device 94, which has a frame The body 95, a fixing plate 96 and a wire wheel 97 for winding a flexible cable 99, the fixing plate 96 has a perforation 961, the wire wheel 97 is rotatably provided on the frame body by a rotating shaft 98 95. For the convenience of the graphic representation, this creation only shows the flexible cable 99 in Fig. 1 and Fig. 2, but not in other drawings. The locking structure 10 for the take-up device includes: an operating rod 11, a stopper 21, a locking member 31, an elastic element 41, a sleeve 51, a locked member 61 and a turntable 71.

Referring to FIG. 3, the operating rod 11 has two protrusions 12 extending in the radial outward direction.

The stop base 21 is provided on the fixing plate 96 and is located in front of the fixing plate 96. The stop base 21 has a shaft hole 22 penetrating back and forth to communicate with the through hole 961, and has two locks recessed backward from its front end Groove 23, the two locking grooves 23 are located on both sides of the shaft hole 22 and open toward one end of the shaft hole 22, the operating rod 11 passes through the shaft hole 22 and the through hole 961, and the stopper 21 is located The surface of the shaft hole 22 is attached to the shaft of the operating rod 11.

Referring to FIG. 4, the locking member 31 has a positioning block 32 and a latching member 33. The positioning block 32 is fixed to the operating rod 11 and is located at the rear end thereof. The latching member 33 has an external gear on its outer surface At the portion 331, the latch 33 is fixed to the positioning block 32 and located behind the positioning block 32.

Both ends of the elastic element 41 abut the locking member 31 and the stopper 21 respectively, and the elastic return force pushes the locking member 31 backward. In actual implementation, the elastic element 41 is a compression spring. The compression spring is sleeved on the operating rod 11, and the two ends along the direction of its elastic return force are respectively pressed against the locking member 31 and the stopper 21.

The sleeve 51 penetrates forward and backward and is fixed on the fixing plate 96 and is sleeved on the locking member 31.

The locked member 61 has a locking hole 62 penetrating back and forth. The locked member 61 has an internal gear portion 63 located on the inner peripheral wall of the locking hole 62. The locked member 61 is fixed to the reel 97 and As the reel 97 rotates, the locked member 61 is rotatably provided on the sleeve 51.

The turntable 71 is provided at the front end of the operation lever 11.

The operating lever 11 is used for the user to rotate and move between a locking position P1 and a releasing position P2. When the operating lever 11 is located at the locking position P1, the elastic element 41 pushes the locking member 31 together The operating lever 11 moves backward so that the two protrusions 12 interfere with the two locking grooves 23, and the external gear portion 331 meshes with the internal gear portion 63; when the operating lever 11 is not at the locking position P1, ie At the release position P2, the two protrusions 12 are pushed forward by the surface of the stopper 21 to disengage the external gear portion 331 without engaging the internal gear portion 63.

The structure of the first preferred embodiment has been described above, and the operation state of the first preferred embodiment will be described next.

Please refer to FIG. 5 to FIG. 8, when the user wants to pull out part of the flexible cable 99 from the wire take-up device 94 or store the flexible cable 99 in the wire take-up device 94, all The spool 97 releases the flexible cable 99 from the spool 97 or winds on the spool 97.

In order to clearly describe the operation state of the first preferred embodiment, when explaining the operation step in which the user wants to lock the reel 97 so that it cannot rotate freely, the initial position of the operation lever 11 is at the release position P2, That is, the two protrusions 12 are pushed forward by the surface of the stop base 21 and are not located in the two locking grooves 23; when explaining the operation steps of the user who wants the reel 97 to rotate freely relative to the frame 95, The initial position of the operating lever 11 is at the locking position P1, but in actual implementation, the initial position of the operating lever 11 may be the locking position P1 or the releasing position P2.

When the user wants to lock the spool 97 so that it cannot rotate freely, the user rotates the turntable 71 by operating, so that the operating rod 11 rotates about the axis thereof until the two protrusions 12 are located in the two locking grooves 23 Forward, and the two projections 12 are pushed back by the elastic element 41 by their elastic restoring force, and the locking member 31 is displaced backward together with the locking member 31, so that the two projections 12 extend into and interfere with the two locks In the groove 23, and the external gear portion 331 is engaged with the internal gear portion 63, the operation lever 11 is located at the locked position P1 and cannot freely rotate relative to the frame 95.

Since the locked member 61 having the internal gear portion 63 is fixed to the reel 97 and the external gear portion 331 is engaged with the internal gear portion 63, when the operating lever 11 cannot be relative to the frame 95 During free rotation, the reel 97 cannot rotate freely relative to the frame body 95.

When the user wants to make the reel 97 rotate freely with respect to the frame 95, the user continuously pulls forward on the turntable 71 and is greater than one of the elastic return force of the elastic element 41 (in the figure (Not shown), the operating rod 11 is displaced forward and the two protrusions 12 are separated from the two locking grooves 23 and are located in front of the two locking grooves 23, and the external gear portion 331 is disengaged without engaging the internal gear部63.

When the two protrusions 12 are separated from the two locking grooves 23 and are located in front of the two locking grooves 23, the user maintains the pulling force (not shown in the figure), and at the same time rotates the turntable 71 by operating to make the operating lever 11 Rotate the axis as the rotation axis until the two protrusions 12 are not located in front of the two locking grooves 23.

When the two protrusions 12 are not located in front of the two locking grooves 23, the user releases the turntable 71, and the operating rod 11 is pushed back by the elastic element 41 by the elastic return force of the locking member 31 together The locking member 31 is displaced backward, and the two protrusions 12 are not located in the two locking grooves 23 by the front surface of the stopper 21, and the external gear portion 331 is located in front of the internal gear portion 63. The operating lever 11 is located at the release position P2.

Since the two protrusions 12 do not interfere with the two locking grooves 23, and the external gear portion 331 is disengaged and does not engage with the internal gear portion 63, the reel 97 with the internal gear portion 63 can be relative to the frame The body 95 rotates freely.

In this way, when the user has wound the flexible cable 99 on the reel 97 to finish storing the flexible cable 99 in the wire take-up device 94, or has stretched it out of the wire take-up device 94 After the length of the flexible cable 99 is required, the user can rotate the operating lever 11 by operating, so that the operating lever 11 is located at the locking position P1, the wire wheel 97 is interfered by the locking member 31 and cannot be relative to The frame body 95 rotates freely; and when the user wants to stretch the flexible cable 99 from the take-up device 94 or wants to wind the flexible cable 99 on the reel 97, the user can By operating and rotating the operating lever 11 so that the operating lever 11 is at the release position P2, the reel 97 can freely rotate relative to the frame body 95 without interference from the locking member 31.

As shown in FIGS. 9 to 11, a locking structure 80 for a wire take-up device provided by the second preferred embodiment of the present invention is mainly the same as the first preferred embodiment disclosed above, except for:

In the second preferred embodiment, the stopper 21 further has two positioning grooves 24 recessed from the front end thereof, the two positioning grooves 24 are open toward one end of the shaft hole 22, and the two positioning grooves The depth of 24 in the front-rear direction is such that when the two protrusions 12 are located in the two positioning grooves 24, the external gear portion 331 of the locking member 31 will not engage with the internal gear portion 63, and each of the positioning grooves 24 The groove wall surface is gradually expanded toward the front and is inclined, and the two locking grooves 23 and the two positioning grooves 24 are equidistant from each other and arranged at an annular interval with respect to the shaft hole 22.

When the operation lever 11 is located at the release position P2 and the two protrusions 12 are not located in the two positioning grooves 24, the user can further rotate the turntable 71 by operating the two protrusions 12 to use the operation lever 11 The axis is the rotation of the rotating shaft. When the two protrusions 12 rotate above the two positioning grooves 24, the two protrusions 12 are indirectly pushed back by the elastic restoring force of the elastic element 41 and are inclined respectively along the positioning grooves 24 One of the groove wall surfaces slides into the two positioning grooves 24, the two protrusions 12 interfere with the two positioning grooves 24, and the external gear portion 331 does not mesh with the internal gear portion 63.

When the operating lever 11 is at the release position P2 and the two protrusions 12 interfere with the two positioning grooves 24, the user can rotate the turntable 71 by operation, and when the user acts on the two protrusions 12 When the forward force component of the inclined groove wall surface of the two positioning grooves 24 is greater than the elastic restoring force of the elastic element 41, the two protrusions 12 are separated along one of the groove wall surfaces of each of the positioning grooves 24 without interfering with each other The positioning groove 24, and the external gear portion 331 does not mesh with the internal gear portion 63.

Thus, when the operating lever 11 is located at the release position P2 and the two protrusions 12 interfere with the two positioning grooves 24, the operating lever 11 is not easily rotated or displaced to the locked position P1 by an external force. In addition, by The two positioning grooves 24 are inclined wall surfaces of the two grooves. The user only needs to rotate the turntable 71 to rotate the operating rod 11 synchronously, and the two protrusions 12 can be extended into or out of the two positioning grooves 24 Without pulling the turntable 71 and the operating lever 11 backward, which facilitates the operation of the second preferred embodiment.

The remaining structures of the second preferred embodiment and the achievable effects thereof are the same as the first preferred embodiment disclosed above, and will not be described in detail.

As shown in FIGS. 12 to 15, the third preferred embodiment of the present invention provides a locking structure 90 for a take-up device, which is mainly the same as the second preferred embodiment, except for:

In the third preferred embodiment, the operating rod 11 further has a first shoulder 13 extending radially outward, and the two protrusions 12 project from the two outer sides of the first shoulder 13 opposite to each other .

The front end of the stop base 21 has a front end surface 27. The stop base 21 protrudes forward from the front end surface 27 by a boss 25 and further has a circular groove 26 recessed backward from the front end of the stop base 21, the shaft The hole 22 penetrates the bottom of the circular groove 26, the two positioning grooves 24 are provided on the boss 25, and the wall surfaces of the two grooves of each locking groove 23 located on the boss 25 are gradually expanded forward and outward.

The positioning block 32 further has a second shoulder 321 extending outward.

The caliber of the front and rear openings of the sleeve 51 is large in the front and small in the rear, and a first step surface 52 is formed on the inner wall of the peripheral wall.

When the operating lever 11 is located at the release position P2, the second shoulder 321 is located in front of the stepped surface 52 without contact; when the operating lever 11 is located at the locking position P1, the first shoulder 13 is located In the circular groove 26, the second shoulder 321 is pressed against the sleeve 51.

When the user wants to lock the reel 97 so that it cannot rotate freely, by operating to rotate the turntable 71, the two protrusions 12 are located in front of the two locking grooves 23, the two protrusions 12 and the first shoulder 13 that the elastic element 41 pushes the locking member 31 backward by its elastic restoring force and displaces the locking member 31 backward, so that the two protrusions 12 extend into and interfere with the two locking grooves 23, the first shoulder The portion 13 extends into the circular groove 26 and presses against the bottom of the circular groove 26, and the second shoulder portion 321 presses against the sleeve 51, and the operation lever 11 is located at the locking position P1.

When the user wants to freely rotate the reel 97 relative to the frame 95, the user continues to pull the turntable 71 and rotate the turntable 71 until the two protrusions 12 are not located in front of the two locking grooves 23, The first shoulder 13 and the second shoulder 321 are simultaneously displaced forward, and the first shoulder 13 is not pressed against the groove bottom of the circular groove 26, the second shoulder 321 is located on the step surface 52 But not in front.

When the two protrusions 12 are not located in front of the two locking grooves 23, the user releases the turntable 71, and the operating rod 11 is pushed back by the elastic element 41 by the elastic return force of the locking member 31 together The locking member 31 is displaced backward, and the two protrusions 12 are not located in the two locking grooves 23 by the front surface of the stopper 21, and the external gear portion 331 is located in front of the internal gear portion 63. The operating lever 11 is located at the release position P2.

Therefore, compared with the first preferred embodiment and the second preferred embodiment disclosed above, the elastic restoring force of the elastic element 41 only acts on the two bumps 12. In the third preferred embodiment, When the operating lever 11 is in the locking position P1, the elastic return force of the elastic element 41 acts on the two protrusions 12, the first shoulder 13 and the second shoulder 321, so that the operating lever 11 The two protrusions 12 and the first shoulder 13 are pressed back against the stop seat 21, and the locking member 31 is pressed against the sleeve 51 with the second shoulder 321, therefore, the elastic element 41 The elastic restoring force acts on the two bumps 12, the first shoulder 13 and the second shoulder 321 so that the component force is small and it is not easy to damage the components, that is, the third preferred embodiment has better durability.

The rest of the structure of the third preferred embodiment and the effects it can achieve are the same as those of the second preferred embodiment disclosed above, and will not be described in detail.

10: Locking structure for wire take-up device 11: Operation lever 12: bump 21: Stop seat 22: Shaft hole 23: Locking slot 31: Locking piece 32: positioning block 33: card catch 331: External gear section 41: Elastic element 51: bushing 61: Locked piece 62: Card hole 63: Internal gear 71: Turntable P1: locked position P2: release position 80: lock structure for wire take-up device 24: positioning groove 90: Locking structure for take-up device 13: First shoulder 25: boss 26: Round groove 27: front face 321: Second shoulder 52: Step 94: take-up device 95: frame 96: fixed plate 961: Piercing 97: reel 98: shaft 99: flexible cable

FIG. 1 is a perspective view of the first preferred embodiment of the present invention, showing the state of the first preferred embodiment of the present invention combined with the take-up device. Fig. 2 is a side view of the wire-receiving device of the first preferred embodiment of the present invention, showing the state of the first preferred embodiment of the present invention being combined with the wire-receiving device, and the partially cut-away part shows the flexible cable wound around the wire The state of the round. FIG. 3 is an exploded view of the partial structure of the first preferred embodiment of this creation, showing the structure of the turntable, the operating lever, and the stop seat. FIG. 4 is an exploded view of the first preferred embodiment of this creation. FIG. 5 is a perspective view of the partial structure of the wire take-up device of the first preferred embodiment of the present invention, showing the combination relationship of the first preferred embodiment of the present invention with the fixed plate and the reel, and the state where the operating lever is in the locked position. Figure 6 is a cross-sectional view taken along line 6-6 in Figure 5. FIG. 7 is a perspective view of the partial structure of the take-up device of the first preferred embodiment of the present invention, showing the combined relationship between the first preferred embodiment of the present invention, the fixed plate and the reel, and the state where the operating lever is located at the release position. Figure 8 is a cross-sectional view taken along line 8-8 in Figure 7. FIG. 9 is an exploded view of the second preferred embodiment of this creation. FIG. 10 is an exploded view of the partial structure of the second preferred embodiment of this creation, showing the structure of the turntable, the operating lever, and the stop seat. 11 is a cross-sectional view of a partial structure of a wire-receiving device according to the second preferred embodiment of the present invention. The position of the line in this figure is the same as the position of line 8-8 in FIG. 7. FIG. 12 is an exploded view of the third preferred embodiment of this creation. Fig. 13 is an exploded view of the partial structure of the third preferred embodiment of this creation, showing the structure of the turntable, the operating lever and the stop seat. FIG. 14 is a cross-sectional view of a partial structure of a wire-receiving device according to the third preferred embodiment of the present creation. The position of the line in this figure is the same as the position of line 8-8 in FIG. 15 is a cross-sectional view of a partial structure of a wire-receiving device according to the third preferred embodiment of the present invention. The position of the line in this figure is the same as the position of line 6-6 in FIG. 5.

10: Locking structure for wire take-up device

71: Turntable

95: frame

96: fixed plate

97: reel

99: flexible cable

Claims (8)

A locking structure for a wire-receiving device is provided in a wire-receiving device. The wire-receiving device has a frame, a fixing plate and a wire wheel. The fixing plate has a perforation. The wire wheel can pass through a rotating shaft. Rotatingly arranged on the frame body, the locking structure for the take-up device includes: An operating lever with two projections extending outward in the radial direction; A stop seat is provided on the fixing plate and is located in front of the fixing plate. The stop seat has a shaft hole penetrating back and forth to communicate with the perforation, and has two locking grooves recessed backward from the front end thereof. It is located on both sides of the shaft hole and is open toward one end of the shaft hole, and the operation rod passes through the shaft hole and the perforation; A locking piece has a positioning block and a locking piece, the positioning block is fixed on the operating rod and is located at the rear end thereof, the locking piece has an external gear portion on the outer surface, and the locking piece is fixed on the positioning The block is located behind the positioning block; An elastic element, both ends of which are pressed against the lock piece and the stop seat respectively, and its elastic return force pushes the lock piece backward; A shaft sleeve which penetrates back and forth and is fixed on the fixing plate and is sleeved on the locking member; and A locked member has a clamping hole penetrating back and forth, the locked member has an internal gear portion located on an inner peripheral wall of the clamping hole, the locked member is fixed to the reel and rotates with the reel, the The locked part is rotatably provided on the shaft sleeve; The operating lever is used for the user to rotate and move between a locked position and a released position. When the operating lever is in the locked position, the elastic element pushes the locking member and the operating lever to move backward The two lugs interfere with the two locking grooves, and the external gear part meshes with the internal gear part; when the operating lever is not in the locked position, it is in the release position, and the two lugs are stopped by the The surface of the seat is pushed forward to disengage the external gear portion without engaging the internal gear portion. The locking structure for a take-up device as described in claim 1, wherein: the stop seat further has two positioning grooves recessed backward from its front end, the two positioning grooves are open toward one end of the shaft hole, and The depth of the two positioning grooves in the front-rear direction is such that when the two protrusions are located in the two positioning grooves, the external gear portion of the locking member does not engage with the internal gear portion, and the two groove wall surfaces of each positioning groove are Expand forward and outward. The locking structure for a take-up device as described in claim 2, wherein: the two locking grooves and the two positioning grooves are equidistant from each other and arranged at an annular interval with respect to the shaft hole. The locking structure for a take-up device as described in claim 2, wherein: the front end of the stopper seat has a front end face, the stopper seat protrudes forward from the front end to a boss, and the two positioning grooves are provided in the Boss. The locking structure for a take-up device as described in claim 4, wherein: the wall surfaces of the two grooves of each of the locking grooves on the boss are gradually expanded toward the outside. The locking structure for a take-up device as described in claim 1, wherein: the operating lever further has a first shoulder extending radially outward, and the two protrusions are opposite from the first shoulder Two outside protrusions; the stop seat further has a circular groove recessed from the front end, the shaft hole penetrates the groove bottom of the circular groove, when the operating lever is in the locked position, the first shoulder is located in the circular groove Inside. The locking structure for a wire take-up device as described in claim 1, wherein: the positioning block further has a second shoulder protruding outward; the caliber of the front and rear openings of the sleeve is larger than the front and smaller at the peripheral wall The inner wall forms a stepped surface; wherein, when the operating lever is in the release position, the second shoulder is located in front of the stepped surface without contact; when the operating lever is in the locked position, the second shoulder is pressed against For the bushing. The locking structure for a wire take-up device as described in claim 1, further comprising: a turntable provided at the front end of the operating lever.

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