CN211205729U - Automobile urea pump water outlet retainer ring pull-out force testing tool - Google Patents

Abstract

The utility model discloses a car urea pump outlet retaining ring draws power test fixture that takes off relates to the urea pump field, which comprises a housin, set up the first cavity of columniform and the columniform second cavity of mutual intercommunication in the casing, the opening of first cavity and second cavity sets up respectively on two terminal surfaces of the left and right sides of casing, and the diameter of first cavity is less than the second cavity, and the connecting rod runs through the casing from left right direction, the connecting rod sets gradually interconnect's thin section, middle section and thick section from a left side to the right side, detachable is connected with the handle on the thin section, the middle section sets up in first cavity and second cavity, and the middle section matches with first cavity and sets up and sliding connection, the thick section is the big little round platform structure in the left side. The utility model discloses can solve the problem that the delivery port retaining ring pull-out force test fixture among the prior art can't adapt to the production of modern delivery port retaining ring.

Description

Automobile urea pump water outlet retainer ring pull-out force testing tool

Technical Field

The utility model belongs to the technical field of the urea pump and specifically relates to a car urea pump outlet retainer ring draws power test fixture that takes off.

Background

The urea pump is installed on the tail pipe of the automobile and used for reducing harmful nitrogen oxides in the tail gas into nitrogen and water. Water generated by the urea pump in the working process flows out of a water outlet of the urea pump. A water outlet check ring is arranged on the periphery of the water outlet and on the inner side of the water outlet adapter. The water outlet retainer ring covers the sealing ring and is used for preventing leakage caused by scraping of the sealing ring. Therefore, the water outlet check ring is required to be firm and reliable, and the water outlet check ring can be delivered only when the pull-out force of the water outlet check ring meets the requirement after being tested by the pull-out force when the water outlet check ring is delivered from a factory.

The existing water outlet check ring pull-out force testing tool is complex in structure and high in manufacturing cost, the problems of inaccurate testing and inconvenience in operation exist in the existing water outlet check ring pull-out force testing tool which is simple in structure, and the existing water outlet check ring pull-out force testing tool cannot adapt to the production of modern water outlet check rings.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a car urea pump outlet retaining ring draws power test fixture is provided, the problem of the unable modernized delivery port retaining ring production of adaptation of delivery port retaining ring of the delivery port retaining ring that solves among the prior art draws power test fixture.

The utility model provides a technical scheme that its technical problem adopted is: a test tool for the pulling-out force of a water outlet check ring of an automobile urea pump comprises a shell, wherein a cylindrical first cavity and a cylindrical second cavity which are communicated with each other are arranged in the shell, openings of the first cavity and the second cavity are respectively arranged on the left end surface and the right end surface of the shell, the diameter of the first cavity is smaller than that of the second cavity, a connecting rod penetrates through the shell from the left direction to the right direction, the connecting rod is sequentially provided with a thin section, a middle section and a thick section which are connected with each other from the left side to the right side, a handle is detachably connected onto the thin section, the middle section is arranged in the first cavity and the second cavity, the middle section is matched with the first cavity and is in sliding connection with the first cavity, the thick section is a round platform structure with the left larger part and the right smaller part, the left end surface of the round platform structure is matched with the second cavity and is in sliding connection with the second cavity, at least two notches are, the locating pin rigid coupling is between two sides of breach, the setting direction of locating pin all is radially perpendicular with the correspondence of second cavity, the articulated and locating pin vertically pendulum rod in middle part of locating pin, the right side tip of pendulum rod sets up convex keeping silent, keep silent and delivery port retaining ring matching set up, the right-hand member of casing rigid coupling pendulum rod locating part between adjacent breach, the pendulum rod locating part is convex structure, and it sets up the recess with the casing junction, and two terminal surfaces of pendulum rod locating part and pendulum rod contact match the setting with the pendulum rod, set up the ring spring who matches with the recess in the recess.

Further, the shell is of a cuboid structure.

Furthermore, the handle is of a closed frame structure, and one end of the handle is detachably connected with the thin section through threads.

Further, the number of the notches is four.

Furthermore, the shell is provided with a positioning pin mounting through hole at a position corresponding to the positioning pin, an internal thread is arranged in the positioning pin mounting through hole, an external thread matched with the internal thread is arranged on the surface of the positioning pin, and the positioning pin is detachably connected with the positioning pin mounting through hole through the thread.

The utility model discloses following beneficial effect has:

the utility model is used for car urea pump outlet retaining ring draws the power test of taking off, and simple structure, convenient operation, test are comparatively accurate, alleviate workman intensity of labour when improving detection efficiency, reduce the operation degree of difficulty, have optimized the testing process.

Drawings

FIG. 1 is a three-dimensional structure of the present invention;

FIG. 2 is a three-dimensional structure view of the present invention with the housing removed;

fig. 3 is a right side view of the jaw clamping state of the present invention;

FIG. 4 is a sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the connection between the housing and the swing link limiting member (the ring spring is not shown in the figure);

FIG. 6 is a schematic view of a retainer ring for a water outlet of an automobile urea pump.

Detailed Description

As shown in fig. 1, 2, 3, 4, 5 and 6, a tool for testing the pulling-out force of a retaining ring of a water outlet of an automobile urea pump comprises a shell 1, a first cylindrical cavity 11 and a second cylindrical cavity 12 which are communicated with each other are arranged in the shell 1, openings of the first cavity 11 and the second cavity 12 are respectively arranged on the left end surface and the right end surface of the shell 1, the diameter of the first cavity 11 is smaller than that of the second cavity 12, a connecting rod 2 penetrates through the shell 1 from left to right, the connecting rod 2 is sequentially provided with a thin section 21, a middle section 22 and a thick section 23 which are mutually connected from left to right, the thin section 21 is detachably connected with a handle 3, the middle section 22 is arranged in the first cavity 11 and the second cavity 12, the middle section 22 is arranged in a matching manner and is slidably connected with the first cavity 11, the thick section 23 is a circular truncated cone structure with a large left side and a small right side, the left end surface of the circular cone structure is, the shell 1 is provided with at least two gaps 13 in the periphery of the second cavity 12, the gaps 13 are arranged in an annular array by taking a middle shaft of the second cavity 12 as a shaft, the positioning pin 7 is fixedly connected between two side faces of the gaps 13, the setting direction of the positioning pin 7 is perpendicular to the radial direction of the second cavity 12, the middle part of the positioning pin 7 is hinged to a swing rod 5 perpendicular to the positioning pin 7, the right side end part of the swing rod 5 is provided with a circular arc-shaped jaw 51, the jaw 51 is matched with a water outlet retainer ring 9, the right end of the shell 1 is fixedly connected with a swing rod limiting part 14 between the adjacent gaps 13, the swing rod limiting part 14 is of a circular arc-shaped structure, a groove 15 is formed in the joint of the swing rod limiting part 14 and the swing rod 5, two end faces of the swing rod limiting part 14, which are in contact with the swing rod.

The shell 1 is of a cuboid structure.

The handle 3 is a closed frame structure, and one end of the handle 3 is detachably connected with the thin section 21 through threads.

The number of the notches 13 is four.

Casing 1 sets up locating pin installation through-hole 16 in the position that corresponds with locating pin 7, sets up the internal thread in locating pin installation through-hole 16, and locating pin 7 surface sets up the external screw thread that matches with the internal thread, and locating pin 7 passes through the screw thread detachable connection with locating pin installation through-hole 16.

Use the utility model discloses when drawing the power test of taking off to car urea pump outlet retaining ring, go on according to following step:

1. an operator fixes the urea pump on a test platform of the tension tester, places the water outlet check ring in a jaw of the test fixture, connects a handle of the test fixture with a hook of the tension tester, and starts to test pull-off force;

2. an operator tightly holds the shell and controls the hook of the tension tester to generate tension, the tension drives the connecting rod to move leftwards through the handle, the thick section of the circular truncated cone structure also moves leftwards, the annular spring is tightened towards the inner side of the circle center, the swing rod rotates around the positioning pin serving as the axial thick section under the action of the contraction force of the annular spring, and the jaw clamps the water outlet check ring.

3. The operator continues to control the hook of the tension tester to generate tension until the water outlet check ring is pulled off from the water outlet and records the reading of the tension tester.

The utility model is used for car urea pump outlet retaining ring draws the power test of taking off, and simple structure, convenient operation, test are comparatively accurate, alleviate workman intensity of labour when improving detection efficiency, reduce the operation degree of difficulty, have optimized the testing process.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any person skilled in the art can make some changes or modifications to equivalent embodiments with equivalent changes without departing from the technical scope of the present invention, but all those persons do not depart from the technical spirit of the present invention, and any simple modifications, equivalent replacements, and improvements made to the above embodiments are within the spirit and principle of the present invention, and still belong to the protection scope of the technical solution of the present invention.

Claims (5)

1. The utility model provides an automobile urea pump outlet retainer ring pull-out force test fixture, its characterized in that includes casing (1), set up columniform first cavity (11) and columniform second cavity (12) that communicate each other in casing (1), the opening of first cavity (11) and second cavity (12) sets up respectively on two terminal surfaces of the left and right sides of casing (1), and the diameter of first cavity (11) is less than second cavity (12), and connecting rod (2) runs through casing (1) from left and right sides orientation, connecting rod (2) set gradually interconnect's thin section (21), middle section (22) and thick section (23) from a left side to right side, detachable is connected with handle (3) on thin section (21), middle section (22) set up in first cavity (11) and second cavity (12), and middle section (22) and first cavity (11) match and sliding connection, the thick section (23) is a round table structure with a large left end and a small right end, the left end face of the round table structure is matched with the second cavity (12) and is in sliding connection with the second cavity, the shell (1) is provided with at least two notches (13) at the periphery of the second cavity (12), the notches (13) are distributed in an annular array by taking the middle shaft of the second cavity (12) as the shaft, the positioning pin (7) is fixedly connected between two side faces of the notches (13), the setting direction of the positioning pin (7) is vertical to the corresponding radial direction of the second cavity (12), the middle part of the positioning pin (7) is hinged with a swing rod (5) vertical to the positioning pin (7), the right end part of the swing rod (5) is provided with a circular arc-shaped jaw (51), the jaw (51) is matched with the water outlet check ring (9), and the right end of the shell (1) is fixedly connected with a swing rod limiting part (14), the swing rod limiting piece (14) is of an arc-shaped structure, a groove (15) is formed in the joint of the swing rod limiting piece (14) and the shell (1), two end faces, in contact with the swing rod (5), of the swing rod limiting piece (14) are matched with the swing rod (5), and an annular spring (8) matched with the groove (15) is arranged in the groove (15).

2. The tool for testing the pulling-out force of the water outlet retainer ring of the urea pump of the automobile according to claim 1, wherein the shell (1) is of a cuboid structure.

3. The tool for testing the pulling-out force of the water outlet retainer ring of the urea pump of the automobile according to claim 1, wherein the handle (3) is of a closed frame type structure, and one end of the handle (3) is detachably connected with the thin section (21) through threads.

4. The tool for testing the pulling-out force of the water outlet retainer ring of the urea pump of the automobile according to claim 1, wherein the number of the notches (13) is four.

5. The tool for testing the pulling-out force of the retaining ring of the water outlet of the automobile urea pump according to claim 1, wherein a positioning pin mounting through hole (16) is formed in the position, corresponding to the positioning pin (7), of the shell (1), an internal thread is formed in the positioning pin mounting through hole (16), an external thread matched with the internal thread is formed in the surface of the positioning pin (7), and the positioning pin (7) is detachably connected with the positioning pin mounting through hole (16) through the thread.

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