Multifunctional strength detection device for powder metallurgy pawl

Abstract

The utility model discloses a multifunctional strength detection device for a powder metallurgy pawl. A through detection cavity is formed in a detection base; the detection chamber comprises a clamping area, a detection area and a pressing area which are arranged in sequence; a stamping groove is formed in the detection boss, a first pressing rod is arranged at the top of the detection area, and the first pressing rod can stretch into the stamping groove; the pressing block is mounted at the top of the pressing area in a sliding fit manner, and the pressing block can extend into the pressing area; the ejector rod and the second pressing rod are mounted at the top of the detection area in a sliding fit manner; the second pressing rod and the ejector rod are respectively close to two ends of the detection area; the detection groove is internally provided with a pin hole, and the push rod can extend into the pin hole. The whole structure is simple, the detection cavity is formed in the detection base, the clamping area, the detection area and the press fit area are sequentially arranged in the detection cavity, and the detection area can achieve any combination detection of the breaking strength value of the weak portion of the ratchet body, the bending resistance strength of the pin and the extrusion force value of the pin on the same workbench according to needs.

Description

Technical Field

[0001] The utility model relates to the field of detection fixtures, in particular to a multifunctional strength detection device for a powder metallurgy ratchet. Background Art

[0002] Automobile seat belt assemblies are used to protect passengers and provide safety. The pawl of the seat belt assembly is an important locking mechanism for automobile seat belts. The seat belt pawl is used to ensure that the seat belt is quickly locked in the event of an accident, protecting passengers from injury. When the car decelerates sharply or a collision occurs, the seat belt pawl will immediately lock, restricting the passenger's body from moving forward. In order to ensure the safety of passengers, it is necessary to perform strength testing on the weak points of the pawl. Therefore, in order to solve the above problems, it is necessary to provide a powder metallurgy pawl multifunctional strength testing device that can test any combination of the breaking strength value of the weak points of the pawl body, the bending strength of the pin, and the extrusion force value of the pin. Utility Model Content

[0003] In view of the shortcomings of the existing technology, this utility model proposes a powder metallurgy pawl multifunctional strength detection device. The specific technical solution is as follows:

[0004] A multifunctional strength testing device for a powder metallurgy pawl, characterized by:

[0005] It includes a detection base, a first pressure rod, a second pressure rod, a push rod and a pressing block;

[0006] The detection base is provided with a through detection chamber;

[0007] The detection chamber includes a clamping area, a detection area and a pressing area arranged in sequence;

[0008] The detection area includes a detection boss and a detection groove;

[0009] The detection boss is arranged adjacent to the clamping area;

[0010] The detection groove is arranged adjacent to the pressing area;

[0011] A stamping groove is provided on the detection boss, and a first pressing rod is provided on the top of the detection area, and the first pressing rod can extend into the stamping groove;

[0012] The pressing block is slidably mounted on the top of the pressing area, and the pressing block can extend into the pressing area;

[0013] The push rod and the second pressure rod are slidably mounted on the top of the detection area;

[0014] The second pressure rod and the push rod are respectively close to two ends of the detection area;

[0015] A pin hole is provided in the detection groove, and the push rod can extend into the pin hole.

[0016] In order to better realize the present invention, it can be further provided that: a clamping groove is provided in the clamping area.

[0017] Furthermore: a punching head is connected to the end of the first pressure rod, and the punching head of the first pressure rod is an arc-shaped structure.

[0018] Furthermore: the punching head and the first pressing rod are integrally formed.

[0019] Furthermore: a pressing portion is connected to the end of the push rod, and the ejecting portion is a conical structure.

[0020] Furthermore, the pressing portion and the ejector rod are integrally formed.

[0021] Furthermore: the detection base is a rectangular parallelepiped structure.

[0022] The beneficial effects of the utility model are:

[0023] The overall structure is simple. A detection chamber is provided on the detection base. A clamping area, a detection area and a pressing area are sequentially provided in the detection chamber. The detection area can realize any combination of the breaking strength value of the weak point of the pawl body, the bending strength of the pin and the pressing force value of the pin on the same workbench according to needs. The inner end of the pawl body is fixed to the pressing area by a clamping block, and the outer end of the pawl body is pressed by the second pressure rod to realize the detection of the breaking strength value of the pawl body. When it is necessary to detect the pressing force of the pawl pin, the pawl body is placed in the detection groove. The detection groove prevents the pawl body from shaking left and right. The pawl pin is inserted into the pin hole, and the ejection part of the ejector rod presses down the pawl pin to realize the ejection force detection of the pawl pin. When it is necessary to detect the bending strength of the pin, the pawl body is placed in the clamping groove, the pawl pin is located in the stamping groove, and the first pressure rod drives the stamping head to stamp the pin to complete the bending strength test of the pin. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is the overall structural diagram of the utility model;

[0025] Figure 2 It is a schematic diagram of the connection of the pawl in the clamping area;

[0026] Figure 3 is a schematic diagram of the connection of the pawl in the detection area;

[0027] Figure 4 Schematic diagram of the connection of the pawl in the pressing area;

[0028] The accompanying drawings in the figure are as follows: detection base 1, clamping area 2, detection area 3, pressing area 4, first pressure rod 5, punching head 6, ejector rod 7, ejection part 8, clamping block 9, detection boss 10, punching groove 11, detection groove 12, pin hole 13, second pressure rod 14, pawl body 15, pawl pin 16, and clamping groove 17. DETAILED DESCRIPTION

[0029] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] In the description of this utility model, it should be noted that the terms "vertical," "upper," "lower," and "horizontal," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] like Figures 1 to 4 As shown:

[0032] A multifunctional strength testing device for a powder metallurgy pawl comprises a testing base 1, a first pressure rod 5, a push rod 7, and a pressing block 9. The testing base 1 is a rectangular parallelepiped structure, and is provided with a through-test chamber. The testing chamber comprises a clamping area 2, a testing area 3, and a pressing area 4, which are sequentially arranged. The testing area 3 comprises a testing boss 10 and a testing groove 12. The testing boss 10 is disposed adjacent to the clamping area 2, and the testing groove 12 is disposed adjacent to the pressing area 4. A clamping groove 17 is provided within the clamping area 2. The detection boss 10 is provided with a stamping groove 11, and the top of the detection area 3 is provided with a first pressure rod 5. The first pressure rod 5 can extend into the stamping groove 11. The first pressure rod 5 is aligned with the stamping groove 11. The structure of the stamping groove 11 is adapted to the structure of the first pressure rod 5. The pawl is placed in the first detection chamber so that the pin is inserted into the stamping groove 11. The first pressure rod 5 presses down on the pin to measure the anti-impact pressure of the pin. A stamping head 6 is connected to the end of the first pressure rod 5. The stamping head 6 is integrally formed with the first pressure rod 5. The stamping head 6 of the first pressure rod 5 is an arc-shaped structure.

[0033] The pressing block 9 is installed in a sliding fit at the top of the pressing area 4, and the pressing block 9 can be extended into the pressing area 4. The push rod 7 and the first pressure rod 5 are installed in a sliding fit at the top of the detection area 3, and the second pressure rod 14 and the push rod 7 are respectively close to the two ends of the detection area 3. The second pressure rod 14 is used to press the outer end of the pawl body 15 to realize the detection of the bending strength value of the pawl body 15. A pin hole 13 is provided in the detection groove 12, and the push rod 7 can be extended into the pin hole 13. A pressing portion is connected to the end of the push rod 7, and the pressing portion and the push rod 7 are integrally formed. The ejection portion 8 is a conical structure. The push rod 7 is used to detect the extrusion force of the pawl pin 16, and the push rod 7 can be extended into the pin hole.

[0034] Principle of this utility model:

[0035] A detection chamber is provided on the detection base 1, in which a clamping area 2, a detection area 3 and a pressing area 4 are sequentially provided. The detection area 3 can realize any combination detection of three values, namely, the bending value of the weak part of the spine body, the bending strength of the pin and the pressing force of the pin, on the same workbench as needed.

[0036] When the pawl breaking value needs to be tested, the inner end of the pawl body 15 is fixed to the pressing area 4 through the pressing block 9, and then the second pressing rod 14 presses the outer end of the pawl body 15 to realize the testing of the pawl body 15 bending strength value.

[0037] When it is necessary to detect the pushing force of the pawl pin 16, the pawl body 15 is placed in the detection groove 12. The detection groove 12 prevents the pawl body 15 from shaking left and right. The pawl pin 16 is inserted into the pin hole 13, and the ejection part 8 of the ejector rod 7 presses down the pawl pin 16 to realize the ejection force detection of the pawl pin 16.

[0038] When the bending strength of the pawl pin 16 needs to be tested, the pawl body 15 is placed in the clamping groove 17, the pawl pin 16 is located in the stamping groove 11, and the first pressure rod 5 drives the stamping head 6 to stamp the pawl pin 16 to complete the bending strength test of the pawl pin 16.

[0039] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0040] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A powder metallurgy pawl multifunctional strength detection device, characterized by: It includes a detection base, a first pressure rod, a second pressure rod, a push rod and a pressing block; The detection base is provided with a through detection chamber; The detection chamber includes a clamping area, a detection area and a pressing area arranged in sequence; The detection area includes a detection boss and a detection groove; The detection boss is arranged adjacent to the clamping area; The detection groove is arranged adjacent to the pressing area; A stamping groove is provided on the detection boss, and a first pressing rod is provided on the top of the detection area, and the first pressing rod can extend into the stamping groove; The pressing block is slidably mounted on the top of the pressing area, and the pressing block can extend into the pressing area; The push rod and the second pressure rod are slidably mounted on the top of the detection area; The second pressure rod and the push rod are respectively close to two ends of the detection area; A pin hole is provided in the detection groove, and the push rod can extend into the pin hole.

2. The multifunctional strength detection device for a powder metallurgy pawl according to claim 1, characterized in that: A clamping groove is provided in the clamping area.

3. The multifunctional strength detection device for a powder metallurgy pawl according to claim 2, characterized in that: A punching head is connected to the end of the first pressing rod, and the punching head of the first pressing rod is an arc-shaped structure.

4. The multifunctional strength detection device for a powder metallurgy pawl according to claim 3, characterized in that: The punching head and the first pressing rod are integrally formed.

5. The multifunctional strength detection device for a powder metallurgy pawl according to claim 4, characterized in that: The end of the ejector rod is connected with an ejection portion, and the ejection portion is a conical structure.

6. The multifunctional strength detection device for a powder metallurgy pawl according to claim 5, characterized in that: The ejection portion and the ejector rod are integrally formed.

7. The multifunctional strength detection device for a powder metallurgy pawl according to claim 6, characterized in that: The detection base is a rectangular parallelepiped structure.

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