An oil injection pump positioning tool

Abstract

The utility model discloses a positioning tool of fuel injection pump, including installation frame, the top of installation frame is connected with the slide of connecting slide plate, the top of connecting slide plate is equipped with the pressboard, the both sides of pressboard bottom are equipped with the lift pole symmetry, the both sides of installation frame are equipped with the guide block symmetry, the inside of guide block is connected with the slide of lift pole, the bottom of lift pole is equipped with the lift plate, the utility model discloses the cooperation of bottom clamping plate, first rack, gear, fixed plate, second rack, auxiliary clamping plate, slide, first spring, outer sleeve, guide sleeve, guide rod, elastic pad, connecting slide plate and top clamping plate, in the process of fuel injection pump fixation, can fast clamping to it, and utilize the force of clamping simultaneously up and down to effectively guarantee the strength of clamping, avoid its slack, and utilize elastic pad still can effectively maintain the stability of clamping in the process of processing or fuel injection pump use.

Description

Technical Field

[0001] This utility model relates to the field of fuel injection pump technology, specifically to a fuel injection pump positioning fixture. Background Technology

[0002] The fuel injection pump is an important component of a car diesel engine. The fuel injection pump assembly is usually a whole consisting of the fuel injection pump, governor and other components. However, during the use or processing of the fuel injection pump, its position needs to be fixed, which requires the use of a matching positioning fixture.

[0003] A fuel injection pump assembly and positioning fixture with the existing patent publication number "CN209304427U" includes a positioning plate adapted to the top surface of the cylinder block. A positioning disc adapted to the cylinder bore of the cylinder block is mounted on the positioning plate. The positioning plate is provided with a positioning pin adapted to a pin hole on the top surface of the cylinder block. One end of the positioning plate is provided with a sliding groove, on which a limit block is adjustablely mounted. This fuel injection pump assembly and positioning fixture can accurately install the fuel injection pump, effectively ensure the injection advance angle, is simple and convenient to operate, has accurate positioning, good adaptability, and high work efficiency. The fuel injection pump installation angle is easy to adjust and it is suitable for the installation of various fuel injection pumps.

[0004] However, this positioning tool is quite complex to use when fixing the fuel injection pump, requiring multiple steps. Furthermore, if used in fuel injection pump machining, this positioning tool will severely affect the efficiency of fuel injection pump assembly and disassembly, increasing machining time. Utility Model Content

[0005] The purpose of this invention is to provide a positioning fixture for an injection pump to solve the existing problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a fuel injection pump positioning fixture, including a mounting frame, a connecting slide plate slidably connected to the top of the mounting frame, a pressure plate provided on the top of the connecting slide plate, lifting rods symmetrically provided on both sides of the bottom of the pressure plate, guide blocks symmetrically provided on both sides of the mounting frame, the lifting rods slidably connected to the interior of the guide blocks, a lifting plate provided at the bottom of the lifting rods, and locking components symmetrically provided on both sides of the mounting frame;

[0007] The bottom of the connecting slide plate is provided with a top clamping plate. The two sides of the bottom inside the mounting frame are symmetrically provided with sliding rods. The outer side of the sliding rod is provided with a first spring. The top of the sliding rod is slidably connected to an outer sleeve. An auxiliary clamping plate is provided between the tops of the two sets of outer sleeves. The outer side of the auxiliary clamping plate is provided with a bottom clamping plate. The top of the bottom clamping plate and the auxiliary clamping plate and the bottom of the elastic pad are both provided with elastic pads. The two sides of the bottom of the bottom clamping plate are symmetrically provided with a first rack. The two sides of the bottom of the auxiliary clamping plate are symmetrically provided with a second rack. The two ends of the bottom inside the mounting frame are symmetrically provided with fixing plates. The two sides of one end of the two sets of fixing plates are symmetrically and rotatably connected with gears. The gears mesh with the second rack and the first rack respectively.

[0008] Preferably, the locking assembly includes a mounting base, a mounting chamber, a coil spring, a connecting base, a moving rod, a base plate, a second spring, a latch, a limiting plate, a third spring, a lower pressure plate, and a connecting shaft. The mounting base is located on both sides of the mounting frame. A moving rod is slidably connected inside the mounting base. A second spring is provided on the outer side of the moving rod. A base plate is provided at the bottom of the moving rod. A lower pressure plate is provided at the top of the moving rod. Connecting bases are symmetrically arranged on both sides of the top of the mounting base. A connecting shaft is provided inside the connecting base. A latch is provided on the outer side of the connecting shaft. One end is provided with an installation chamber, and the installation chamber is equipped with a coil spring. One end of the connecting shaft extends into the installation chamber and is connected to the connecting shaft. The top of the latch is slidably connected to a limiting plate. A third spring is provided on one side of the limiting plate and is connected to the mounting base. The bottom sides of the lower pressure plate and the top of the limiting plate are all inclined, and the limiting plate and the lower pressure plate are mutually compatible. After the tooling clamps the fuel injection pump, it can directly and automatically lock it without the need for other parts to limit it, thus effectively ensuring the convenience of locking.

[0009] Preferably, the top of the mounting base is provided with connecting plates on both sides symmetrically, and the third spring is connected to the connecting plates to facilitate the connection of the third spring and prevent it from falling off.

[0010] Preferably, the top of the mounting base is provided with a connecting hole, and the moving rod extends into the interior of the mounting base through the connecting hole, so that the moving rod can subsequently drive the lower pressure plate to reset.

[0011] Preferably, guide rods are symmetrically provided on both sides of the bottom of the bottom clamping plate, and guide sleeves are provided on the outer side of the guide rods. The guide sleeves are connected to the mounting frame to maintain the stability of the bottom clamping plate during the lifting and lowering process.

[0012] Preferably, the bottom clamping plate has a mounting groove at its top, and the auxiliary clamping plate is located inside the mounting groove for easy installation.

[0013] Preferably, the elastic pad is made of rubber material, which can effectively maintain the stability of clamping during processing or use of the fuel injection pump.

[0014] Preferably, the latch is L-shaped to facilitate the restraint of the lifting plate.

[0015] Compared with the prior art, the beneficial effects of this utility model are: the positioning fixture for the fuel injection pump;

[0016] 1. Through the cooperation of the bottom clamping plate, the first rack, the gear, the fixing plate, the second rack, the auxiliary clamping plate, the slide bar, the first spring, the outer sleeve, the guide sleeve, the guide rod, the elastic pad, the connecting slide plate and the top clamping plate, the fuel injection pump can be quickly clamped during the fixing process. The simultaneous clamping force from the top and bottom can effectively ensure the clamping strength and prevent it from loosening. Furthermore, the elastic pad can effectively maintain the clamping stability during processing or use of the fuel injection pump.

[0017] 2. With the cooperation of the mounting base, mounting chamber, coil spring, connecting base, moving rod, base plate, second spring, lock, limit plate, third spring, lower pressure plate and connecting shaft, the tooling can directly and automatically lock the fuel injection pump after clamping it, without the need for other parts to limit it, thus effectively ensuring the convenience of locking. Attached Figure Description

[0018] Figure 1 This is a perspective view of the present utility model;

[0019] Figure 2 This is a front sectional view of the present invention;

[0020] Figure 3 This is a structural diagram of the locking assembly of this utility model.

[0021] In the diagram: 1. Mounting frame; 2. Bottom clamping plate; 3. First rack; 4. Gear; 5. Fixing plate; 6. Second rack; 7. Auxiliary clamping plate; 8. Slide rod; 9. First spring; 10. Outer sleeve; 11. Guide sleeve; 12. Guide rod; 13. Elastic pad; 14. Connecting slide plate; 15. Top clamping plate; 16. Pressure plate; 17. Lifting rod; 18. Guide block; 19. Lifting plate; 20. Locking assembly; 201. Mounting seat; 202. Mounting compartment; 203. Coil spring; 204. Connecting seat; 205. Moving rod; 206. Base plate; 207. Second spring; 208. Lock; 209. Limiting plate; 2010. Third spring; 2011. Lower pressure plate; 2012. Connecting shaft. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figures 1-3 The present invention provides an embodiment of an injection pump positioning fixture, comprising a mounting frame 1, a connecting slide plate 14 slidably connected to the top of the mounting frame 1, a pressure plate 16 provided on the top of the connecting slide plate 14, lifting rods 17 symmetrically provided on both sides of the bottom of the pressure plate 16, guide blocks 18 symmetrically provided on both sides of the mounting frame 1, the lifting rods 17 slidably connected to the interior of the guide blocks 18, a lifting plate 19 provided at the bottom of the lifting rods 17, and locking components 20 symmetrically provided on both sides of the mounting frame 1.

[0024] The locking assembly 20 includes a mounting base 201, a mounting chamber 202, a coil spring 203, a connecting base 204, a moving rod 205, a base plate 206, a second spring 207, a latch 208, a limiting plate 209, a third spring 2010, a lower pressure plate 2011, and a connecting shaft 2012. The mounting base 201 is located on both sides of the mounting frame 1. The moving rod 205 is slidably connected inside the mounting base 201. The second spring 207 is provided on the outer side of the moving rod 205. The base plate 206 is provided at the bottom of the moving rod 205, and the lower pressure plate 2011 is provided at the top of the moving rod 205. The top of the mounting base 201 is provided with a connecting hole, and the moving rod 205 extends into the interior of the mounting base 201 through the connecting hole, so that the moving rod 205 can drive the lower pressure plate 2011 to reset. The mounting base 201 is provided with connecting seats 204 symmetrically on both sides of the top. The connecting seat 204 is provided with a connecting shaft 2012 inside, and a latch 208 is provided on the outside of the connecting shaft 2012. One end of the connecting seat 204 is provided with a mounting chamber 202, and a coil spring 203 is provided inside the mounting chamber 202. One end of the connecting shaft 2012 extends into the interior of the mounting chamber 202 and is connected to the connecting shaft 2012.

[0025] The top of the latch 208 is slidably connected to the limiting plate 209. A third spring 2010 is provided on one side of the limiting plate 209. Connecting plates are symmetrically provided on both sides of the top of the mounting base 201. The third spring 2010 is connected to the connecting plate, which facilitates the connection of the third spring 2010 and prevents it from falling off. The third spring 2010 is connected to the mounting base 201. The bottom sides of the lower pressure plate 2011 and the top of the limiting plate 209 are all inclined. The limiting plate 209 and the lower pressure plate 2011 are mutually compatible. After the tooling clamps the fuel injection pump, it can directly lock it automatically without the need for other parts to limit it, thus effectively ensuring the convenience of locking. The latch 208 is L-shaped, which facilitates the restriction of the lifting plate 19.

[0026] A top clamping plate 15 is provided at the bottom of the connecting slide plate 14. Slide rods 8 are symmetrically arranged on both sides of the bottom of the mounting frame 1. A first spring 9 is provided on the outer side of the slide rods 8. An outer sleeve 10 is slidably connected to the top of the slide rods 8. An auxiliary clamping plate 7 is provided between the tops of the two sets of outer sleeves 10. A bottom clamping plate 2 is provided on the outer side of the auxiliary clamping plate 7. The top of the bottom clamping plate 2 has a mounting groove. The auxiliary clamping plate 7 is located inside the mounting groove for easy installation. Guide rods 12 are symmetrically arranged on both sides of the bottom of the bottom clamping plate 2. Guide sleeves 11 are provided on the outer side of the guide rods 12. The guide sleeves 11 are connected to the mounting frame 1 to maintain... To ensure stability during the lifting and lowering process of the bottom clamping plate 2, both the bottom clamping plate 2 and the auxiliary clamping plate 7 are equipped with elastic pads 13. The elastic pads 13 are made of rubber material. During processing or use of the fuel injection pump, the elastic pads 13 can effectively maintain the stability of the clamping. The bottom clamping plate 2 is symmetrically provided with first racks 3 on both sides of the bottom, and the auxiliary clamping plate 7 is symmetrically provided with second racks 6 on both sides of the bottom. The bottom of the mounting frame 1 is symmetrically provided with fixing plates 5 at both ends. The two sets of fixing plates 5 are symmetrically and rotatably connected to the two sides of one end of the fixing plates 5. The gears 4 mesh with the second rack 6 and the first rack 3 respectively.

[0027] Working principle: During the fixing process of the fuel injection pump, it is first placed between the top clamping plate 15 and the auxiliary clamping plate 7. At this time, the pressure plate 16 is pressed down. The pressure plate 16 drives the lifting rod 17, the connecting slide plate 14, the top clamping plate 15 and the elastic pad 13 to move down. Then, as the elastic pad 13 presses the fuel injection pump, the fuel injection pump applies downward pressure to the auxiliary clamping plate 7. Then, the outer sleeve 10 compresses the first spring 9. At the same time, the auxiliary clamping plate 7 also drives the second rack 6 to move down. Then, the second rack 6 drives the gear 4 to rotate. The gear 4 drives the first rack 3 and the bottom clamping plate 2 to move up, so that the bottom clamping plate 2 applies upward pressure to the fuel injection pump. Then, the elastic pad 13 is compressed under force.

[0028] As the pressure plate 16 moves the lifting rod 17 downward, the lifting rod 17 moves the lifting plate 19 downward. Then, the lifting plate 19 applies a downward force to the lower pressure plate 2011, and the lower pressure plate 2011 moves downward and applies a downward force to the limiting plate 209. At this time, the two sets of limiting plates 209 approach each other under the action of the inclined plane, and thus no longer limit the locking buckle 208. At this time, the coil spring 203 resets and drives the connecting shaft 2012 and the locking buckle 208 to flip. At this time, the locking buckle 208 is fastened to the top of the lifting plate 19, so that the lifting plate 19 can no longer move upward, thereby locking the guide block 18, the pressure plate 16 and the connecting slide plate 14 to prevent them from loosening and affecting the clamping of the fuel injection pump.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0030] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A positioning fixture for an injection pump, comprising a mounting frame (1), characterized in that: The top of the mounting frame (1) is slidably connected to a connecting slide plate (14), the top of the connecting slide plate (14) is provided with a pressure plate (16), the bottom of the pressure plate (16) is symmetrically provided with lifting rods (17), the two sides of the mounting frame (1) are symmetrically provided with guide blocks (18), the lifting rods (17) are slidably connected to the inside of the guide blocks (18), the bottom of the lifting rods (17) is provided with a lifting plate (19), and the two sides of the mounting frame (1) are symmetrically provided with locking components (20). The bottom of the connecting slide plate (14) is provided with a top clamping plate (15). The two sides of the bottom of the mounting frame (1) are symmetrically provided with sliding rods (8). The outer side of the sliding rod (8) is provided with a first spring (9). The top of the sliding rod (8) is slidably connected with an outer sleeve (10). An auxiliary clamping plate (7) is provided between the tops of the two sets of outer sleeves (10). The outer side of the auxiliary clamping plate (7) is provided with a bottom clamping plate (2). The tops of the bottom clamping plate (2) and the auxiliary clamping plate (7) are both provided with elastic pads (13). The two sides of the bottom of the bottom clamping plate (2) are symmetrically provided with a first rack (3). The two sides of the bottom of the auxiliary clamping plate (7) are symmetrically provided with a second rack (6). The two ends of the bottom of the mounting frame (1) are symmetrically provided with fixing plates (5). The two sides of one end of the two sets of fixing plates (5) are symmetrically connected with gears (4) that rotate around a fixed axis. The gears (4) mesh with the second rack (6) and the first rack (3) respectively.

2. The fuel injection pump positioning fixture according to claim 1, characterized in that: The locking assembly (20) includes a mounting base (201), a mounting compartment (202), a coil spring (203), a connecting seat (204), a moving rod (205), a base plate (206), a second spring (207), a latch (208), a limiting plate (209), a third spring (2010), a lower pressure plate (2011), and a connecting shaft (2012). The mounting base (201) is located on both sides of the mounting frame (1). The moving rod (205) is slidably connected inside the mounting base (201). The second spring (207) is provided on the outside of the moving rod (205). The base plate (206) is provided at the bottom of the moving rod (205). The lower pressure plate (2011) is provided at the top of the moving rod (205). The connecting seats (204) are symmetrically provided on both sides of the top of the mounting base (201). The connecting seat (204) is provided with a connecting shaft (2012) inside, and a latch (208) is provided on the outside of the connecting shaft (2012). One end of the connecting seat (204) is provided with an installation chamber (202). The installation chamber (202) is provided with a coil spring (203) inside. One end of the connecting shaft (2012) extends into the installation chamber (202) and is connected to the connecting shaft (2012). The top of the latch (208) is slidably connected to a limiting plate (209). A third spring (2010) is provided on one side of the limiting plate (209). The third spring (2010) is connected to the mounting seat (201). The bottom sides of the lower pressure plate (2011) and the top of the limiting plate (209) are all inclined, and the limiting plate (209) and the lower pressure plate (2011) are mutually compatible.

3. The fuel injection pump positioning fixture according to claim 2, characterized in that: The mounting base (201) has symmetrical connecting plates on both sides of its top, and the third spring (2010) is connected to the connecting plates.

4. The fuel injection pump positioning fixture according to claim 2, characterized in that: The top of the mounting base (201) is provided with a connecting hole, and the moving rod (205) extends into the interior of the mounting base (201) through the connecting hole.

5. The fuel injection pump positioning fixture according to claim 1, characterized in that: The bottom clamp (2) has guide rods (12) symmetrically arranged on both sides of the bottom. The guide rods (12) have guide sleeves (11) on their outer sides. The guide sleeves (11) are connected to the mounting frame (1).

6. The fuel injection pump positioning fixture according to claim 1, characterized in that: The bottom clamp (2) has a mounting groove on its top, and the auxiliary clamp (7) is located inside the mounting groove.

7. The fuel injection pump positioning fixture according to claim 1, characterized in that: The elastic pad (13) is made of rubber material.

8. The fuel injection pump positioning fixture according to claim 2, characterized in that: The latch (208) is L-shaped.

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