Limiting clamping ring of electric transmission shaft

Abstract

The utility model relates to an electric power transmission shaft limiting retainer ring, which belongs to the technical field of transmission shafts and comprises a shaft body and a gear ring arranged on the shaft body, two clamping grooves are arranged on the outer peripheral wall of the shaft body, four limiting rings are arranged in each clamping groove, one end of each limiting ring extends out of the corresponding clamping groove, and the other end of each limiting ring extends out of the corresponding clamping groove. Mounting grooves are formed in the front faces and the back faces of the two limiting rings located at the top, placing grooves are formed in the front faces and the back faces of the two limiting rings located at the bottom, and mounting plates with one ends penetrating through the mounting grooves and extending into the placing grooves are fixedly connected into the four mounting grooves. According to the electric transmission shaft limiting clamping ring, under the action of the limiting rings, a gear ring is limited, the stability of the gear ring is improved, the fixing rods and the mounting plates are attached, every two adjacent limiting rings are fixed, workers can disassemble and assemble the limiting rings conveniently, meanwhile, under the action of the springs, the connecting rods are supported, and the stability of the gear ring is improved. The stability of the fixing rod is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission shafts, in particular to a limiting clamp ring for an electric transmission shaft. Background Art

[0002] The drive shaft is a rotating body with high speed and few supports, so its dynamic balance is very important. Generally, the drive shaft must be subjected to dynamic balancing test and adjusted on a balancing machine before leaving the factory. For front-engine rear-wheel drive vehicles, it is the shaft that transmits the rotation of the transmission to the main reducer. It can be composed of several sections, and the sections can be connected by universal joints.

[0003] Chinese patent CN213628778U discloses a transmission shaft for a reducer, which discloses a technical solution for convenient replacement and cost reduction, solving the problem that when the teeth on the existing transmission shaft are damaged, the entire transmission shaft needs to be replaced, which wastes costs.

[0004] When the device is in use, the gear ring is replaced by disengaging the card block from the card slot, thereby reducing the cost of use. However, the lack of a limit on the transmission shaft can easily cause the gear ring to shake, reducing the stability of the gear ring. Therefore, an electric transmission shaft limit clamp is proposed to solve the above problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an electric transmission shaft limit clamp ring having the advantage of high stability. It solves the problem that when the device is in use, the gear ring can be replaced by disengaging the clamping block from the clamping slot, thereby reducing the cost of use. However, the lack of a limit on the transmission shaft can easily cause the gear ring to shake, thereby reducing the stability of the gear ring.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an electric transmission shaft limit clamp, comprising a shaft body and a gear ring arranged on the shaft body, the outer peripheral wall of the shaft body is provided with two clamping grooves, and four limit rings are placed inside the two clamping grooves and one end of which extends to the outside of the clamping groove.

[0007] The front and back sides of the two limit rings at the top are provided with installation grooves, and the front and back sides of the two limit rings at the bottom are provided with placement grooves. The interiors of the four installation grooves are fixedly connected to a mounting plate with one end passing through the installation groove and extending to the interior of the placement groove. Two fixing rods are placed on the side of the four mounting plates away from the shaft body.

[0008] The four placement slots are each provided with a connecting assembly inside to support the fixing rod.

[0009] The four placement grooves are each provided with a supporting assembly inside to support the connecting assembly.

[0010] Furthermore, the clamping groove is an annular groove, the four limiting rings are all semicircular rings, the limiting rings and the gear ring fit together, the fixing rod and the mounting plate fit together, and the limiting rings and the clamping groove fit closely together.

[0011] Further, the connecting assembly includes a support plate, which is placed inside the placement groove, and the side of the support plate away from the shaft body is movably connected with two connecting rods through a bearing, and the side of the mounting plate close to the shaft body is provided with two make way grooves, and the two connecting rods respectively penetrate the two make way grooves, and the fixing rod and the connecting rod are fixedly connected, and the two fixing rods are fixedly connected with two positioning rods on the side close to the mounting plate, and the side of the mounting plate close to the fixing rod is provided with four positioning holes, and the four positioning rods respectively extend to the inside of the four positioning holes.

[0012] Furthermore, the four positioning holes are respectively located at the top and bottom of the two clearance grooves, and the positioning rods and the positioning holes are clearance-matched.

[0013] Furthermore, the support assembly includes two telescopic rods, both of which are fixedly connected to the inside of the placement groove, and both of which are fixedly connected to the fixed plate. The outer peripheral walls of the two telescopic rods are respectively provided with springs fixedly connected to the placement groove and the support plate, and the bottom surface of the mounting plate is fixedly connected to the support plate. The insides of the two limiting rings at the bottom are each provided with two support grooves, and the support plate extends to the inside of the support grooves.

[0014] Furthermore, the support plate and the support groove are slidably connected, and the telescopic rod is composed of a sleeve and a moving rod. One end of the moving rod penetrates and extends into the interior of the sleeve, and the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and a through hole compatible with the moving rod is opened on one side of the sleeve.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The electric transmission shaft limit clamp ring limits the gear ring through the action of the limit ring, thereby improving the stability of the gear ring. The two adjacent limit rings are fixed through the fit between the fixing rod and the mounting plate, making it convenient for staff to disassemble and assemble the limit rings. At the same time, the connecting rod is supported by the action of the spring, thereby improving the stability of the fixing rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the right side of the internal structure of the card slot in the structure of the utility model;

[0019] Figure 3 for Figure 2 A is a schematic diagram of the structure enlargement;

[0020] Figure 4 It is a schematic diagram of the right side of the front mounting plate in the structure of the utility model.

[0021] In the figure: 1 shaft body, 2 slot, 3 limit ring, 4 gear ring, 5 mounting slot, 6 mounting plate, 7 placement slot, 8 spring, 9 telescopic rod, 10 positioning hole, 11 fixing rod, 12 positioning rod, 13 connecting rod, 14 make way slot, 15 fixing plate, 16 support plate, 17 support slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In this embodiment, an electric transmission shaft limit collar comprises a shaft body 1 and a gear ring 4 arranged on the shaft body 1. The outer peripheral wall of the shaft body 1 is provided with two grooves 2. Four limit rings 3 are placed inside the two grooves 2 and one end of the limit rings 3 extends to the outside of the groove 2.

[0024] The front and back sides of the two limit rings 3 at the top are provided with installation grooves 5, and the front and back sides of the two limit rings 3 at the bottom are provided with placement grooves 7. The interiors of the four installation grooves 5 are fixedly connected with installation plates 6 with one end passing through the installation grooves 5 and extending to the interior of the placement grooves 7. Two fixing rods 11 are placed on the side of the four installation plates 6 away from the shaft body 1.

[0025] Among them, the slot 2 is an annular slot, the four limiting rings 3 are all semicircular rings, the limiting rings 3 and the gear ring 4 fit together, the fixing rod 11 and the mounting plate 6 fit together, and the limiting rings 3 and the slot 2 fit closely together.

[0026] Specifically, the gear ring 4 is fixedly mounted on the shaft body 1, pushing the limit ring 3, the limit ring 3 is inserted into the interior of the card slot 2, the mounting plate 6 is inserted into the interior of the placement slot 7, the fixing rod 11 and the mounting plate 6 fit together, and the two adjacent limit rings 3 are fixed. Through the action of the limit ring 3, the gear ring 4 is restricted to improve the stability of the gear ring 4.

[0027] In this embodiment, the four placement slots 7 are each provided with a connecting assembly, and the connecting assembly includes a support plate 16, and the support plate 16 is placed inside the placement slot 7. The side of the support plate 16 away from the shaft body 1 is movably connected with two connecting rods 13 through a bearing. The side of the mounting plate 6 close to the shaft body 1 is provided with two make way slots 14, and the two connecting rods 13 respectively penetrate the two make way slots 14. The fixing rod 11 and the connecting rod 13 are fixedly connected, and the two fixing rods 11 are fixedly connected with two positioning rods 12 on the side close to the mounting plate 6. The side of the mounting plate 6 close to the fixing rod 11 is provided with four positioning holes 10, and the four positioning rods 12 extend to the inside of the four positioning holes 10 respectively.

[0028] The four positioning holes 10 are respectively located at the top and bottom of the two clearance grooves 14 , and the positioning rods 12 and the positioning holes 10 are clearance-matched.

[0029] Specifically, after the fixing rod 11 passes through the yield groove 14, the fixing rod 11 rotates to be in a vertical state with the connecting rod 13, the positioning rod 12 and the positioning hole 10 are located on the same center line, and the positioning rod 12 is reset and inserted into the interior of the positioning hole 10. Through the clearance fit between the positioning rod 12 and the positioning hole 10, and the fit between the fixing rod 11 and the mounting plate 6, the two adjacent limit rings 3 are fixed.

[0030] In this embodiment, support assemblies are provided inside the four placement slots 7, and the support assemblies include two telescopic rods 9, the two telescopic rods 9 are fixedly connected inside the placement slots 7, the two telescopic rods 9 are fixedly connected to the fixing plate 15, the outer peripheral walls of the two telescopic rods 9 are respectively provided with springs 8 fixedly connected to the placement slots 7 and the support plate 16, the bottom surface of the mounting plate 6 is fixedly connected to the support plate 16, and the two limiting rings 3 at the bottom are each provided with two support slots 17, and the support plate 16 extends to the inside of the support slot 17.

[0031] Among them, the support plate 16 and the support groove 17 are slidably connected, the telescopic rod 9 is composed of a sleeve and a moving rod, one end of the moving rod penetrates and extends to the inside of the sleeve, the outer side of the moving rod is fixedly connected with a limiting block located inside the sleeve, and a through hole compatible with the moving rod is opened on one side of the sleeve.

[0032] Specifically, the fixing plate 15 is pushed so that the fixing plate 15 drives the fixing rod 11 to move, and the telescopic rod 9 and the spring 8 are squeezed so that the telescopic rod 9 and the spring 8 are contracted. The fixing plate 15 is supported by the sliding connection between the supporting plate 16 and the supporting groove 17 to improve the stability of the fixing plate 15. The mounting plate 6 is inserted into the placement groove 7, and the fixing plate 15 is loosened. The fixing plate 15 is reset under the action of the spring 8.

[0033] The working principle of the above embodiment is:

[0034] The gear ring 4 is fixedly sleeved on the shaft body 1, pushing the limiting ring 3, the limiting ring 3 is inserted into the inside of the card slot 2, pushing the fixing plate 15, so that the fixing plate 15 drives the fixing rod 11 to move, and the telescopic rod 9 and the spring 8 are squeezed to shrink the telescopic rod 9 and the spring 8. The fixing plate 15 is supported by the sliding connection between the support plate 16 and the support groove 17 to improve the stability of the fixing plate 15. The mounting plate 6 is inserted into the inside of the placement groove 7, and the fixing plate 15 is loosened. Under the action of the spring 8, the fixing plate 15 is reset, and the connecting rod 13 is rotated so that the fixing rod 11 and the giving way groove 14 are in In the horizontal state, pull the fixing plate 15 to stretch the telescopic rod 9 and the spring 8. After the fixing rod 11 passes through the yielding groove 14, the fixing rod 11 rotates and is in a vertical state with the connecting rod 13. The positioning rod 12 and the positioning hole 10 are located on the same center line. Then loosen the fixing plate 15, and the positioning rod 12 is reset and inserted into the inside of the positioning hole 10. Through the clearance fit between the positioning rod 12 and the positioning hole 10, and the fit between the fixing rod 11 and the mounting plate 6, the two adjacent limit rings 3 are fixed. Under the action of the limit ring 3, the gear ring 4 is restricted to improve the stability of the gear ring 4.

[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A limit collar for an electric transmission shaft, comprising a shaft body (1) and a gear ring (4) arranged on the shaft body (1), characterized in that: The outer peripheral wall of the shaft body (1) is provided with two clamping grooves (2), and four limiting rings (3) are placed inside the two clamping grooves (2) and one end of the limiting rings (3) extends to the outside of the clamping groove (2); The front and back sides of the two limiting rings (3) at the top are provided with mounting grooves (5), and the front and back sides of the two limiting rings (3) at the bottom are provided with placement grooves (7). The insides of the four mounting grooves (5) are fixedly connected with a mounting plate (6) having one end penetrating the mounting groove (5) and extending into the placement groove (7). Two fixing rods (11) are placed on the side of the four mounting plates (6) away from the shaft body (1); The four placement grooves (7) are each provided with a connection component inside, and the four placement grooves (7) are each provided with a support component inside.

2. The electric transmission shaft limiting collar according to claim 1, characterized in that: The clamping groove (2) is an annular groove, the four limiting rings (3) are all semicircular rings, the limiting rings (3) and the gear ring (4) fit together, the fixing rod (11) and the mounting plate (6) fit together, and the limiting rings (3) and the clamping groove (2) fit closely together.

3. The electric transmission shaft limiting collar according to claim 1, characterized in that: The connecting assembly comprises a support plate (16), wherein the support plate (16) is placed inside the placement groove (7), and a side of the support plate (16) away from the shaft body (1) is movably connected to two connecting rods (13) through a bearing, and a side of the mounting plate (6) close to the shaft body (1) is provided with two clearance grooves (14), and the two connecting rods (13) respectively penetrate the two clearance grooves (14), and the fixing rod (11) and the connecting rod (13) are fixedly connected, and the two fixing rods (11) are fixedly connected to two positioning rods (12) on the side close to the mounting plate (6), and the side of the mounting plate (6) close to the fixing rod (11) is provided with four positioning holes (10), and the four positioning rods (12) respectively extend to the inside of the four positioning holes (10).

4. The electric transmission shaft limiting collar according to claim 3, characterized in that: The four positioning holes (10) are respectively located at the top and bottom of the two clearance grooves (14), and the positioning rods (12) and the positioning holes (10) are clearance-matched.

5. The electric transmission shaft limiting collar according to claim 3, characterized in that: The support assembly comprises two telescopic rods (9), the two telescopic rods (9) are fixedly connected inside the placement groove (7), the two telescopic rods (9) are fixedly connected to the fixing plate (15), the outer peripheral walls of the two telescopic rods (9) are respectively provided with springs (8) fixedly connected to the placement groove (7) and the support plate (16), the bottom surface of the mounting plate (6) is fixedly connected to the support plate (16), and the insides of the two limiting rings (3) located at the bottom are each provided with two support grooves (17), and the support plate (16) extends to the inside of the support groove (17).

6. The electric transmission shaft limiting collar according to claim 5, characterized in that: The support plate (16) and the support groove (17) are slidably connected, and the telescopic rod (9) is composed of a sleeve and a moving rod. One end of the moving rod penetrates and extends into the interior of the sleeve, and the outer side of the moving rod is fixedly connected to a limiting block located inside the sleeve, and one side of the sleeve is provided with a through hole adapted to the moving rod.

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