CN220101782U - Detachable gear shaft - Google Patents

Abstract

The utility model discloses a detachable gear shaft, which comprises a gear, mounting sleeves, a supporting shaft and a mounting cover, wherein the two mounting sleeves are arranged on the left side and the right side of the gear, a slot is arranged on each mounting sleeve, one end of each supporting shaft is inserted into the corresponding slot, an oiling through hole and a liquid storage tank communicated with the oiling through hole are arranged on each supporting shaft, a gap is reserved between a notch of each liquid storage tank and each oiling through hole, each mounting cover is sleeved on each supporting shaft and detachably connected with each mounting sleeve, and an input through hole which can be communicated with each oiling through hole and a plug which can seal each through hole are arranged on each mounting cover; the space between the notch of the liquid storage groove on the supporting shaft of the detachable gear shaft and the oiling through hole is reserved for installing the sealing ring, so that lubricating oil is prevented from leaking outwards from the notch of the liquid storage groove, the input through hole on the installation cover can input the lubricating oil into the oiling through hole, so that the lubricating oil is contained in the liquid storage groove, the input through hole can be sealed by the plug, and the lubricating oil is prevented from leaking outwards to avoid the waste of the lubricating oil.

Description

A detachable gear shaft

Technical areas:

The utility model relates to the technical field of gear shafts, and in particular to a detachable gear shaft.

Background technique:

The gear shaft is a mechanical part that can support rotating parts and rotate together with it to transmit motion, torque or bending moment. It is divided into crankshaft and straight shaft according to the shape of the axis. Therefore, the parts can be installed on the gear shaft and rotate in the machine. Movement, the existing gear shaft cannot effectively store lubricant during use, and is prone to friction and damage to parts during use, thereby reducing the service life of the gear shaft;

According to Chinese patent number CN214425072U, a gear shaft with enhanced lubrication effect is provided, including an upper shaft sleeve and an intermediate gear. The upper shaft sleeve is installed and fixed on the upper end of the intermediate gear. The upper end of the intermediate gear is provided with an upper positioning ring. , the upper positioning ring and the upper shaft sleeve are provided with a liquid storage upper shaft rod, the lower end of the intermediate gear is provided with a lower shaft sleeve, the lower end of the lower shaft sleeve is provided with a lower positioning ring, the lower shaft sleeve and the lower There is a lower liquid storage shaft inside the positioning ring. The upper liquid storage shaft includes a long liquid storage groove, a positioning shaft, a positioning round rod and an inlaid bump. There is a long liquid storage groove in the middle of the outside of the positioning shaft. The lower end of the shaft is provided with a positioning round rod, and the outside of the positioning round rod is provided with an inlaid bump. The positioning round rod is connected to the upper shaft sleeve. The upper positioning ring includes a positioning cylinder, an internal groove and a ring shell. The ring The interior of the shell is provided with an internal groove, and the lower end of the annular shell is provided with a positioning cylinder. The positioning cylinder is connected to the upper shaft casing. The long liquid storage groove on the positioning shaft can store lubricating oil liquid, effectively enhancing lubrication during use. This makes the gear shaft less likely to be damaged by friction. However, after the positioning shaft is installed, the long liquid storage groove will be blocked and it will be difficult to inject lubricating oil into the long liquid storage groove. If the long liquid storage groove is exposed, the lubricating oil will easily leak out, or Injecting lubricating oil into the long liquid tank first will cause the lubricating oil to fall when the positioning shaft is installed, thereby causing a waste of lubricating oil and reducing the lubrication effect of the positioning shaft.

Utility model content:

In order to solve the above technical problems, the utility model provides a detachable gear shaft with a gap between the liquid storage tank notch and the oil filling through hole on the support shaft for installing a sealing ring to prevent lubricating oil from flowing out of the liquid storage tank. The notch leaks outward, and the input through hole on the installation cover can input lubricating oil into the oil filling through hole, so that the lubricating oil can be contained in the reservoir, and the input through hole can be closed by a plug, thereby blocking lubrication Oil leakage avoids wastage of lubricating oil.

A detachable gear shaft includes a gear, an installation sleeve, a support shaft and an installation cover. Two installation sleeves are provided on the left and right sides of the gear. Slots are provided on the installation sleeve. The support shaft One end of the support shaft is plugged into the slot, and the support shaft is provided with an oil filling through hole and a liquid storage tank connected to the oil filling through hole, and there is a gap between the notch of the liquid storage tank and the oil filling through hole. The installation cover is sleeved on the support shaft and detachably connected to the installation sleeve, and the installation cover is provided with an input through hole that can communicate with the oil filling through hole and a plug that can close the through hole.

Preferably, the support shaft includes a connected shaft head and a plug, both the plug and the shaft head are cylindrical structures, and the diameter of the plug is larger than the diameter of the shaft head.

Preferably, the slot is provided at the center of one end of the mounting sleeve away from the gear, and the slot wall is provided with a positioning groove, and the plug is provided with a positioning plug, and the positioning plug of the plug is in contact with the plug. The positioning slot of the slot is plugged into.

Preferably, the mounting sleeve is provided with a mounting ring on the edge of one end where the slot is provided, and the mounting ring is provided with a mounting hole. The mounting cover is provided with a connecting through hole, and a bolt can pass through the connecting hole of the mounting cover. The hole is detachably connected to the mounting hole of the mounting ring.

Preferably, a sleeve is provided on a side of the installation cover facing away from the installation ring, the input through hole is provided on the sleeve, and the plug is threadedly connected to the input through hole.

Preferably, a sealing sleeve is provided inside the barrel sleeve, and a conveying through hole is provided in the sealing sleeve at a position corresponding to the input through hole.

The beneficial effects of the utility model are: the detachable gear shaft cooperates with each other through the installation sleeve, the support shaft and the installation cover, so that there is a gap between the liquid storage tank notch and the oil filling through hole on the support shaft for installing the sealing ring. , to prevent lubricating oil from leaking out from the notch of the liquid reservoir, and the input through hole on the installation cover can input lubricating oil into the oil filling through hole, so that the lubricating oil can be contained in the liquid reservoir and can pass through the plug. The head closes the input through hole, thereby blocking the leakage of lubricating oil and avoiding the waste of lubricating oil.

Description of the drawings

Figure 1 is a front view of the utility model;

Figure 2 is a cross-sectional view along line A-A in Figure 1;

Figure 3 is a left side view of the mounting sleeve of the utility model;

Figure 4 is a front view of the support shaft of the utility model;

Figure 5 is a left side view of the support shaft in the utility model;

Figure 6 is a left side view of the installation cover of the utility model.

In the picture: 1 gear, 2 mounting sleeve, 3 support shaft, 4 mounting cover, 5 slot, 6 oil filling hole, 7 fluid reservoir, 8 input hole, 9 plug, 10 axis head, 11 plug, 12 positioning Slot, 13 positioning insert, 14 mounting ring, 15 mounting hole, 16 connecting through hole, 17 barrel sleeve, 18 sealing sleeve, 19 conveying through hole.

Detailed ways

The present utility model will be further described below with reference to the accompanying drawings and specific embodiments, so as to facilitate a clearer understanding of the technical idea claimed by the present utility model.

As shown in Figures 1 to 6, a detachable gear shaft includes a gear 1, a mounting sleeve 2, a support shaft 3 and a mounting cover 4. The two mounting sleeves 2 are arranged on the left and right sides of the gear 1. The mounting sleeve 2 is provided with a slot 5, and one end of the support shaft 3 is plugged into the slot 5. The support shaft 3 is provided with an oil filling through hole 6 and a liquid storage connected to the oil filling through hole 6. Tank 7, and there is a gap between the slot of the liquid storage tank 7 and the oil filling hole 6. The installation cover 4 is placed on the support shaft 3 and is detachably connected to the installation sleeve 2, and the installation cover 4 There is an input through hole 8 that can communicate with the oil filling through hole 6 and a plug 9 that can close the through hole.

The working principle of the detachable gear shaft described in the utility model is realized by the mutual cooperation of the installation sleeve 2, the support shaft 3 and the installation cover 4. As shown in Figures 1 to 3, when the support shaft 3 is installed, the liquid storage tank 7 The distance between the groove and the oil filling hole 6 can be installed between the liquid reservoir 7 and the oil filling hole 6 to prevent the lubricating oil from leaking out from the groove of the liquid reservoir 7. When installing the support shaft 3, the staff can remove the plug 9 from the input through hole 8 of the installation cover 4 and inject lubricating oil into the input through hole 8. Then the lubricating oil enters the oil filling through hole 6 and flows into the liquid reservoir 7 for lubrication. Support the shaft 3, and finally reinstall the plug 9 on the input through hole 8 of the installation cover 4 to block the flow of lubricating oil from the input through hole 8. Compared with the traditional gear shaft, this detachable gear shaft can prevent lubricating oil from flowing out. The lubricating oil leaks out from the notch of the liquid reservoir 7, and the input through hole 8 on the installation cover 4 can input lubricating oil into the oil filling through hole 6, so that the lubricating oil can be accommodated in the liquid reservoir 7 and facilitate the supply of lubricating oil to the liquid reservoir. Lubricating oil is injected into the groove 7, and the input through hole 8 can be closed by the plug 9, thereby blocking the lubricating oil from leaking and avoiding the waste of the lubricating oil.

Specifically, the support shaft 3 includes a connected shaft head 10 and a plug 11. Both the plug 11 and the shaft head 10 are cylindrical structures, and the diameter of the plug 11 is larger than the diameter of the shaft head 10, wherein the plug The slot 5 is provided at the center of one end of the mounting sleeve 2 away from the gear 1, and the slot wall of the slot 5 is provided with a positioning slot 12. The plug 11 is provided with a positioning insert 13, and the positioning insert 13 of the plug 11 13 is plugged into the positioning slot 12 of the slot 5. As shown in Figures 3 to 6, the plug 11 of the support shaft 3 is inserted into the slot 5 of the mounting sleeve 2, and the positioning plug 13 is inserted into the positioning slot 12, and restricts the plug 11 in Turn inside slot 5.

Further, the mounting sleeve 2 is provided with a mounting ring 14 on one end edge of the slot 5, and the mounting ring 14 is provided with a mounting hole 15. The mounting cover 4 is provided with a connecting through hole 16, and can be connected through a bolt. After passing through the connection through hole 16 of the installation cover 4, it can be detachably connected to the installation hole 15 of the installation ring 14. As shown in Figures 1, 5 and 6, the installation cover 4 and the installation ring 14 of the installation sleeve 2 can be detachably installed and resisted. It supports the plug 11 of the rod and limits the axial movement of the plug 11 .

Furthermore, a sleeve 17 is provided on the side of the installation cover 4 facing away from the installation ring 14 , the input through hole 8 is provided on the sleeve 17 , and the plug 9 is connected to the input through hole 17 . The hole 8 is threaded, and the plug 9 can be threaded with the input through hole 8 using bolts. A sealing sleeve 18 is provided on the inside of the sleeve 17, and a conveying through hole is provided at the position of the sealing sleeve 18 corresponding to the input through hole 8. 19. As shown in Figure 2, the sealing sleeve 18 in the sleeve 17 is sleeved on the support shaft 3 and seals the gap between the sleeve 17 and the support shaft 3, so that the lubricating oil can enter the input through hole 8 and then along the conveying passage. The hole 19 enters the oil filling through hole 6 to prevent the gap between the lubricating oil cylinder sleeve 17 and the support shaft 3 from leaking outward.

The above are only specific embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present utility model, or directly or indirectly used in other related The technical fields are all equally included in the scope of patent protection of the present utility model.

Claims (6)

1. A detachable gear shaft is characterized in that: including gear, installation cover, back shaft and installation lid, two the installation cover sets up the left and right sides of gear, be provided with the slot on the installation cover, the one end of back shaft with the slot is pegged graft, be provided with the oiling through-hole on the back shaft and with the reservoir of oiling through-hole intercommunication, and leave the interval between the notch of reservoir and the oiling through-hole, the installation lid cover is in on the back shaft and with the installation cover can dismantle the connection, and be provided with on the installation lid can with the input through-hole of oiling through-hole intercommunication and can seal the end cap of through-hole.

2. A removable gear shaft as defined in claim 1, wherein: the support shaft comprises a shaft head and a plug which are connected, the plug and the shaft head are of cylindrical structures, and the diameter of the plug is larger than that of the shaft head.

3. A removable gear shaft as defined in claim 2, wherein: the slot is arranged at the center of one end of the mounting sleeve, which is far away from the gear, and the slot wall of the slot is provided with a positioning slot, the plug is provided with a positioning plug block, and the positioning plug block of the plug is spliced with the positioning slot of the slot.

4. A removable gear shaft according to claim 3, wherein: the installation sleeve is provided with the collar on the edge of one end of slot, and is provided with the mounting hole on the collar, be provided with the connecting hole on the installation lid to can pass the connecting hole of installation lid after the detachable connection with the mounting hole of collar through the bolt.

5. The detachable gear shaft according to claim 4, wherein: the installation cover is provided with the barrel casing on the side opposite to the installation ring, the input through hole is arranged on the barrel casing, and the plug is in threaded connection with the input through hole.

6. The detachable gear shaft according to claim 5, wherein: the inner side of the cylinder sleeve is provided with a sealing sleeve, and a conveying through hole is arranged at the position of the sealing sleeve corresponding to the input through hole.