CN205957796U

CN205957796U - Bipod that compression of pipe rear end jetted out

Info

Publication number: CN205957796U
Application number: CN201620896283.7U
Authority: CN
Inventors: 陈小鸣
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-04-15
Filing date: 2016-08-17
Publication date: 2017-02-15
Anticipated expiration: 2026-08-17
Also published as: CN106440931A; US20170299317A1

Abstract

The utility model relates to a bipod that compression of pipe rear end jetted out, include: bracket assembly, at least two are popped out interior pin subassembly, hinge in bracket assembly's lower part. Wherein, it includes to pop out interior pin subassembly: the outer tube holds compression spring and interior pin, interior pin has the first form of the outer tube of withdrawing totally and jets out the second form of outer tube totally, compression spring lies in the outer tube and supports the one end towards the outer tube of leaning on the pin, on -off mechanism for pin in release and the buckle, wherein, when using, bracket assembly installs on waiting the object that supports, and interior pin subassembly opens, and when on -off mechanism was excited, interior pin released and pops out to the second form from first form under compression spring's spring action. Interior pin still accessible has the third form of some withdrawal outer tubes, from second form withdrawal to first form. The utility model discloses quick flexible regulation of rifle can be realized, the use of various topography is convenient for adapt to.

Description

The bipod that a kind of pipe back-end compression projects

Technical field

This utility model is related to a kind of bipod, the bipod that especially a kind of pipe back-end compression projects.

Background technology

Sportss firearms, in shooting, in order to increase shooting error, typically can be supported using leg means. Present sportss firearms, such as sports rifle, its foot rest is generally lambdoid bipod, and its structure generally includes One foot rest base, foot rest base upper end is used for being connected with the clevis joint being arranged on sportss rifle, foot rest base lower end Two extensible foot frame rods are installed.During use, the clevis joint on rifle is arranged on foot rest base, then foot frame rod is launched, Can achieve and support, convenient shooting.

The foot rest base of current same type on the market, is that the external spring compression of foot front end is projected, product has following defect：Bullet Spring is exposed to be arranged on pipe front end face, causes pipe end surface damage when the spring is compressed, thus affecting outward appearance and foot ejection stability.Separately Outward, on existing market, the inside and outside tubular construction of same type, due to being not provided with stabilising arrangement, produces shake because gap is excessive during locking, Directly have impact on the accuracy of fire；And the inner and outer pipes structure foot rest base of built-in extension spring, when in deployment shooting, need to use One hands grips outer tube, and internal pin is pulled out by another handss, after so completing the pull-out of an internal pin, completes another with repeating The pull-out of one internal pin is it is impossible to accomplish fast and easy.

Utility model content

For above-mentioned the deficiencies in the prior art, technical problem to be solved in the utility model is how to provide a kind of new The leg means of type, the quick-expansion realizing rifle is adjusted, and conveniently adapts to various landform.

This utility model employs following technical proposals and solves described technical problem.After this utility model provides a kind of pipe The bipod that side pressure contracting is projected, including：Carriage assembly；At least two ejection internal pin assemblies, are articulated with the bottom of carriage assembly； Wherein, eject internal pin assembly to include：Outer tube, accommodates compression spring and internal pin；Internal pin, has and is fully retracted the of outer tube One form and the second form of fully extended outer tube；Compression spring, towards the one of outer tube in outer tube and against internal pin End；Switching mechanism, for release and buckle internal pin；Wherein, when using, carriage assembly is installed on object to be supported, Internal pin assembly opens, and when switching mechanism is excited, internal pin discharges from the first form under the elastic force effect of compression spring And eject to the second form.

Preferably, switching mechanism includes the part for locking the first form of internal pin or the position of the second form, institute The first form for locking internal pin stated or the part of the position of the second form include switching card, switch locating dowel, open Close back-moving spring.

Preferably, when internal pin needs to eject to the second form from the first form, press switch card, so that inner tube Foot discharges from outer tube back-end under the elastic force effect of compression spring and ejects, in a proximal rim of internal pin and outer tube One stop mechanism contact, now internal pin extend out to the second form from the first form.

Preferably, when internal pin needs to be retracted to the first form from the second form, press switch card, then by inner tube Foot advances in outer tube back-end is toward outer tube；Until switch card is automatic under the active force of switch locating dowel and switch back-moving spring Snap in lock the length travel of internal pin in a far-end draw-in groove of internal pin, now internal pin is retracted to first from the second form Form, and the compression spring being arranged in outer tube is compressed to short status.

Preferably, said inner tube foot is provided with multiple draw-in grooves, the segmentation between two on internal pin draw-in groove is defined to One section；Said inner tube foot also has the 3rd form of partially retracted outer tube.

Preferably, when internal pin needs to be retracted to the 3rd form or the first form from the second form, press switch card, Then internal pin is advanced inside；Often push a section, switch card is under the active force of switch locating dowel and switch back-moving spring Automatically snap in the draw-in groove of internal pin to lock the length travel of internal pin.

Preferably, the near-end towards outer tube of internal pin is provided with tail plug, and tail is provided with cushion rubber beyond the Great Wall, described cushion rubber around Tail plug against outer tube wall.

Preferably, when internal pin is in the second form, compression spring is not contacted towards the near-end of outer tube with internal pin.

Preferably, switch card has an annulus, and annulus has and can freely extend through on outer tube wall The lobe of another perforate, wherein lobe are raised towards the axis of outer tube, and annulus forms L-type portion together with switch card Part, it, by the switch back-moving spring biasing in the switch locating dowel below switch card, is arranged at optionally engaging Draw-in groove on the wall of internal pin side, thus lock internal pin extending and retracting with respect to outer tube.

Preferably, when internal pin fully extended to the second form when, the lobe of the annulus of switching mechanism is moved upwards Move and engage the near-end draw-in groove positioned at internal pin high order end, to maintain the second form of internal pin.

Preferably, the ejection of internal pin relies on the elastic force potential energy of compression spring, and compression spring is designed as so as to have enough Potential energy, to overcome the frictional force of cushion rubber and/or the quality of internal pin, eject internal pin to the second form or close to the second shape State, simultaneously when internal pin is at or approximately at the first form, makes the close bracket group of the end face in tail plug for the compression spring and outer tube By bias compression between one end of part, thus gathering elastic potential energy.Wherein when internal pin is in the first form, compression spring Amount of bias is maximum.

At present in existing on the market similar-type products, not just like the built-in compressed spring type of innovation of the present utility model The quick ejecting mechanism of inner tube, but the compression of foot front end external spring project inside and outside tubular construction, or using for example having extension spring Fast retractile mechanism.

This utility model can be used for the precision fire support applications of rifle of racing, such as shooting match and hunting.This practicality Novel photo for the Advantageous Effects of prior art is, compared with prior art and product, can two handss operate respectively simultaneously Two switch cards, when pressing switch card, internal pin goes out from the ejection of outer tube back-end moment under the elastic force effect of spring, It is capable of the rapid deployment of rifle, conveniently adapt to the use of various landform.In addition, with respect to existing product, because spring holds It is placed in the outer tube of foot rest, not only hidden but also can avoid the risk that outer pipe surface is scratched.Because internal pin is towards the one of outer tube End is provided with tail plug and cushion rubber, when internal pin is ejected into greatest length and by switch card lock timing, with respect to existing product, That can reduce internal pin rocks gap, makes locking more firm.

Brief description

In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and be embodied as Example is described in detail to this utility model, wherein：

Fig. 1 show the perspective view of the first embodiment according to bipod of the present utility model；

Fig. 2 show the exploded view of a wherein leg of the first embodiment according to bipod of the present utility model；

The internal pin that Fig. 3 show the first embodiment according to bipod of the present utility model is in the section of the second form Figure；

Fig. 4 show the partial enlarged drawing of the switch curtate of the bipod according to Fig. 3；

Fig. 5 show the perspective view of the second embodiment according to bipod of the present utility model；

Fig. 6 show the exploded view of a wherein leg of the second embodiment according to bipod of the present utility model；

The internal pin that Fig. 7 show the second embodiment according to bipod of the present utility model is in the part of the first form Profile；

The internal pin that Fig. 8 show the second embodiment according to bipod of the present utility model is in the part of the second form Profile；

The internal pin that Fig. 9 show the second embodiment according to bipod of the present utility model is in the section of the second form Figure；

Figure 10 show the partial enlarged drawing of the switch curtate of the bipod according to Fig. 9.

Specific embodiment

Fig. 1-10 is the exemplary embodiment of the bipod being projected according to pipe back-end compression of the present utility model, wherein individually Specific structural details in accompanying drawing are only used as explaining the exemplary description of technical solutions of the utility model, and are not intended as to this reality With new restriction.Wherein, common structure division is had according to each embodiment of the present utility model, for simplicity, no Same embodiment can be with quoting same accompanying drawing to illustrate.

As shown in figure 1, being the perspective view of the embodiment according to bipod of the present utility model, described bipod includes： Carriage assembly 21；At least two ejection internal pin assemblies 23, are articulated with the bottom of carriage assembly 21.

Specifically, described bipod also includes：Pin back-moving spring 22, cup head soket head cap screw 24, outer-hexagonal nut 25.Cup head soket head cap screw 24 is used for for internal pin assembly 23 combining connection with carriage assembly 21.

Wherein, include as shown in Fig. 2 ejecting internal pin assembly 23：Outer tube 4, accommodates compression spring 2 and internal pin 5.As figure Shown in 7 and 8, internal pin 5 has the first form being fully retracted outer tube 4 and the second form of fully extended outer tube 4.As Fig. 7 institute Show, compression spring 2 is located in outer tube 4 and against internal pin 5 towards one end of outer tube 4.

Specifically, as shown in figs. 2 and 7, one end of the close carriage assembly 21 of compression spring 2 is formed with the hook of semi-circular shape Ring, one holds the corresponding perforate 1A through on outer tube 4 for the sleeve pipe 1 and passes through described shackle, so that compression spring 2 is immobilizated in outer One end of close carriage assembly 21 in pipe 4.One trocar sheath 3 is wrapped on outer tube 4, and it is in the axial direction along compression spring 2 One end of the upper close carriage assembly 21 being located at outer tube 4, trocar sheath 3 is also equipped with corresponding perforate, so that fixing sleeve pipe 1 is worn Cross wherein and enter in outer tube 4.

As shown in figure 1, ejecting internal pin assembly 23 also include switching mechanism 23A, for release and buckle internal pin 5.Its In, when using, carriage assembly 21 is installed on object to be supported, and internal pin assembly 23 opens, when switching mechanism 23A is swashed When sending out, internal pin 5 discharges from the first form under the elastic force effect of compression spring 2 and ejects to the second form.

Preferably, as shown in Figures 2 and 4, described switching mechanism 23A includes the first form for locking internal pin 5 or The part of the position of two forms, this Components Exemplary ground includes：Housing block 12, fixed screw 13, switch card 9, switch positioning Post 10, switch back-moving spring 11.

Specifically, as shown in Figures 2 and 4, switch card 9 has an annulus 15, and annulus 15 has and can freely prolong Extend through the lobe 16 of another perforate on outer tube 4 side wall, wherein lobe 16 is raised towards the axis of outer tube 4.As Fig. 4 institute Show, in terms of the radial direction of outer tube 4, annulus 15 forms L-type part together with switch card 9, and it is by positioned at switch card 9 Switch back-moving spring 11 in the switch locating dowel 10 of lower section biases, optionally to engage the draw-in groove on internal pin 5 side wall, from And lock internal pin 5 extending and retracting with respect to outer tube 4.It should be understood that the draw-in groove of varying number, example can be adopted on internal pin 5 As in the present embodiment, it is provided only near the near-end draw-in groove of tail plug 6 and the far-end draw-in groove away from carriage assembly 21.

When internal pin 5 needs to eject to the second form from the first form, user can press down on switch card 9 (i.e. from The top end face of switch locating dowel 10 is observed), so that it is projected by compression spring 2 from outer tube 4 rear end to discharge internal pin 5.Work as inner tube During foot 5 fully extended to maximum extension elongation, user's trip switch card 9, make the projection of the annulus 15 of switching mechanism 23A Portion 16 moves up and engages the near-end draw-in groove (at carriage assembly 21 observe) of internal pin 5, that is, as shown in Figure 4 closest to tail The draw-in groove of plug 6, to maintain the maximum extension elongation (i.e. the second form) of internal pin 5.

Preferably, when internal pin 5 is in the first form, internal pin 5 is from the exposed length the shortest (with reference to Fig. 7) of outer tube 4； When internal pin 5 is when being in the second form, internal pin 5 is from the exposed length the longest (with reference to Fig. 3, about A+B) of outer tube 4.

Preferably, as shown in figure 3, when internal pin 5 is in the second form, after that is, internal pin 5 is ejected, compression spring 2 Do not contact towards one end of outer tube 4 with internal pin 5.In fact, because the ejection of internal pin 5 relies on the elastic force of compression spring 2 Potential energy, the length of compression spring 2 can be designed to short enough, with make it have enough potential energy overcome cushion rubber 7 frictional force and/or The quality of internal pin 5, ejects internal pin 5 to the second form or close to the second form, simultaneously in internal pin 5 at or approximately at first During form, make compression spring 2 by bias compression between the end face and the close carriage assembly 21 of outer tube 4 of tail plug 6, thus providing Certain force feedback is convenient to lock internal pin 5 to the first form, and gathers elastic potential energy.Wherein when internal pin 5 is in the first shape During state, the amount of bias of compression spring 2 is maximum.

Preferably, as shown in Figures 2 and 4, one end towards outer tube 4 of internal pin 5 is provided with tail plug 6, and tail plug 6 can be embedded in In the cavity of at least part of hollow of internal pin 5, and can be connected with internal pin 5 by spring catch 8.Alternatively, tail plug 6 also may be used To threaded with internal pin 5 or to be integrally formed.Exemplarily, tail plug 6 similarly can be provided with draw-in groove, including for installing The cushion rubber draw-in groove of cushion rubber 7, and the near-end draw-in groove for engaging with lobe 16, tail plug 6 is provided with cushion rubber 7, described cushion rubber 7 Around tail plug 6 and against outer tube 4 inwall.The acting as of cushion rubber 7, the firm internal pin 5, Yi Ji when internal pin 5 reaches the longest Reduce friction in internal pin 5 telescopic process and reduce noise.

Preferably, as shown in figure 4, the inwall of outer tube 4 is provided with bushing 14 at the opening of outer tube 4, for internal pin 5 Flexible guiding, and the stop positioning end face as stop tail plug 6.Specifically, the maximum extension elongation of internal pin 5 is subject to internal pin One proximal rim of 5 tail plug 6 is limited with the stop mechanism in outer tube 4, and this stop mechanism can be bushing 14.Internal pin 5 In ejection process, finally make the proximal rim of tail plug 6 with the end contact of bushing 14 and against to stop entering of internal pin 5 The vertically moving of one step.When internal pin 5 fully extended to maximum extension elongation, user's trip switch card 9, make switching mechanism The near-end draw-in groove that the lobe 16 of the annulus 15 of 23A moves up and engages on tail plug 6, to coordinate above-mentioned stop mechanism The maximum extension elongation (i.e. the second form) of locking internal pin 5.It is highly preferred that can be in intense adjustment compression spring 2 and cushion rubber 7 The material of at least one or physical parameter, for example, adjust elastic force and coefficient of friction etc., so that when internal pin 5 stops after ejection, Just at the second form, or very close to the second form, thus facilitate operator's quick lock in second form.

In the present embodiment, internal pin 5 only has the first and second forms, and this does not need multistage extension elongation to adjust at some Especially suitable in quick-expansion application scenario.

According to second embodiment of the present utility model, as shown in Figure 5-10, its part-structure is identical with first embodiment, area It is not, internal pin 5 is designed as section pipe, internal pin is provided with multiple section pipe clamp grooves, between two on internal pin 5 draw-in groove Segmentation is defined to a section.Correspondingly, internal pin 5 also has the 3rd form of partially retracted outer tube 4.Proximally, from the first form To the second form, user can press down on switch card 9, so that it is penetrated by compression spring 2 from outer tube 4 rear end to discharge internal pin 5 Go out.When internal pin 5 needs to be retracted to the 3rd form or the first form from the second form, press switch card 9, then by inner tube Foot 5 one section one saves land, or once save land advances inside；Often push a section, switch card 9 is in switch locating dowel 10 and switch Automatically snap under the active force of back-moving spring 11 in the draw-in groove of internal pin 5 to lock the length travel of internal pin 5；Until last When the near-end draw-in groove of section (draw-in groove of such as low order end) or tail plug 6 is switched on and off card 9 locking, internal pin 5 is from the second form or the Three forms are retracted to the first form, and the compression spring being arranged in outer tube 4 is compressed to short status.

In the present embodiment, internal pin 5 has the first and second forms, and length can flexible the 3rd form, this Especially suitable in the application scenario that some need multiple-length to fine-tune.

The above, simply preferred embodiment of the present utility model, this utility model is not limited to above-mentioned enforcement Mode, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model. In protection domain of the present utility model, its technical scheme and/or embodiment can have various different modifications and variations.

Claims

1. the bipod that a kind of pipe back-end compression projects is it is characterised in that include：

Carriage assembly；

At least two ejection internal pin assemblies, are articulated with the bottom of carriage assembly；

Wherein, eject internal pin assembly to include：

Outer tube, accommodates compression spring and internal pin；

Internal pin, has the first form being fully retracted outer tube and the second form of fully extended outer tube；

Compression spring, towards one end of outer tube in outer tube and against internal pin；

Switching mechanism, for release and buckle internal pin；

Wherein, when using, carriage assembly is installed on object to be supported, and internal pin assembly opens, when switching mechanism is swashed When sending out, internal pin discharges from the first form under the elastic force effect of compression spring and ejects to the second form.

2. the bipod that pipe back-end compression according to claim 1 projects is it is characterised in that switching mechanism is included for locking Determine the first form of internal pin or the part of the position of the second form, described the first form or second for locking internal pin The part of the position of form includes switching card, switch locating dowel, switch back-moving spring.

3. the bipod that pipe back-end compression according to claim 2 projects needs from first it is characterised in that working as internal pin When form ejects to the second form, press switch card so that internal pin compression spring elastic force effect under after outer tube End discharges and ejects, and until a proximal rim of internal pin is contacted with the stop mechanism in outer tube, now internal pin is from first Form extend out to the second form.

4. the bipod that pipe back-end compression according to claim 2 projects needs from second it is characterised in that working as internal pin When form is retracted to the first form, press switch card, then internal pin is advanced in outer tube back-end is toward outer tube；Until switch Card snaps in a far-end draw-in groove of internal pin with locking under the active force of switch locating dowel and switch back-moving spring automatically The length travel of pin, now internal pin be retracted to the first form from the second form, and be arranged on the compression spring quilt in outer tube It is compressed to short status.

5. the bipod that pipe back-end compression according to claim 1 projects is it is characterised in that be provided with said inner tube foot Multiple draw-in grooves, the segmentation between two on internal pin draw-in groove is defined to a section；Said inner tube foot also has partially retracted outer tube The 3rd form.

6. the bipod that pipe back-end compression according to claim 5 projects needs from second it is characterised in that working as internal pin When form is retracted to the 3rd form or the first form, presses switch card, then internal pin is advanced inside；Often push a section,

Switch card snaps in the draw-in groove of internal pin to lock under the active force of switch locating dowel and switch back-moving spring automatically The length travel of internal pin.

7. pipe back-end compression according to claim 1 projects bipod it is characterised in that internal pin towards outer tube Near-end is provided with tail plug, and tail is provided with cushion rubber beyond the Great Wall, and described cushion rubber is around tail plug and against outer tube wall.

8. pipe back-end compression according to claim 1 projects bipod is it is characterised in that when internal pin is in the second shape During state, compression spring is not contacted towards the near-end of outer tube with internal pin.

9. the bipod that pipe back-end compression according to claim 2 projects is it is characterised in that switch card has a ring-type Part, annulus has the lobe of another perforate that can freely extend through on outer tube wall, and wherein lobe direction is outer The axis of pipe is raised, and annulus forms L-type part together with switch card, and it is by the switch positioning below switch card Switch back-moving spring biasing in post, optionally to engage the draw-in groove being arranged on the wall of internal pin side, thus lock internal pin Extending and retracting with respect to outer tube.

10. pipe back-end compression according to claim 3 projects bipod is it is characterised in that when internal pin is fully extended During to the second form, the lobe of the annulus of switching mechanism moves up and engages the near-end card positioned at internal pin high order end Groove, to maintain the second form of internal pin.

The bipod that 11. pipe back-end compression according to claim 1 project is it is characterised in that the ejection of internal pin relies on The elastic force potential energy of compression spring, compression spring is designed as so as to have enough potential energy, with overcome cushion rubber frictional force and/or The quality of internal pin, ejects internal pin to the second form or close to the second form, simultaneously in internal pin at or approximately at the first shape During state, make compression spring by bias compression between one end of the end face of tail plug and the close carriage assembly of outer tube, thus gathering Elastic potential energy.