Fatigue test device for connecting elbow of dust collector

Abstract

The utility model provides a dust collector connecting elbow fatigue test device, and relates to the field of fatigue test devices, an adjusting push rod is installed in a guide rail, and a moving seat is installed on the rear side of the adjusting push rod. In order to solve the problems of poor effect, incapability of simulating use working conditions under severe conditions and limitation of a test performed by simply relying on the torsion of the elbow, a connecting plate fixedly connected to the bottom end surface of a moving seat is arranged, so that when the elbow of the dust collector is subjected to fatigue detection, the fatigue of the elbow of the dust collector is detected; according to the impact bending detection device, the movable seat can be pushed by starting the adjusting push rod installed in the guide rail, and when the movable seat moves, the connecting plate can be synchronously utilized to drive the movable seat and the clamping block to do reciprocating linear motion so as to achieve rapid impact bending detection, and then the purpose of being more practical is achieved.

Description

Technical Field

[0001] The utility model belongs to the field of fatigue testing devices, in particular to a fatigue testing device for a vacuum cleaner connecting elbow. Background Art

[0002] Vacuum cleaners can be categorized by structure as vertical, horizontal, and portable. The working principle of a vacuum cleaner is that a motor drives the blades to rotate at high speed, creating negative air pressure within a sealed housing to absorb dust. The connecting elbow in a vacuum cleaner, serving as a sleeve between the rod and the suction mechanism, bends as the angle of the suction mechanism changes. Therefore, a suitable test device is required to better understand the performance of this component.

[0003] However, the existing test device lacks an effective bidirectional bending test structure, so when conducting the test, the test effect is poor when simply relying on twisting the bent pipe, and it cannot simulate the operating conditions under harsh conditions, which has limitations.

[0004] Therefore, in view of the shortcomings of the above-mentioned scheme in actual production and implementation, it has been revised and improved. At the same time, in the spirit and concept of seeking improvement, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the present utility model was created. A vacuum cleaner connection elbow fatigue test device is provided to solve the problem that the existing method lacks an effective two-way bending test structure, which makes it difficult to simulate the operating conditions under harsh conditions by simply relying on twisting the elbow for testing, and has limitations. Summary of the Invention

[0005] The utility model proposes a fatigue test device for vacuum cleaner connecting elbows, which solves the problem in the prior art that due to the lack of an effective two-way bending test structure, the test effect is poor when simply relying on twisting the elbow, and it is unable to simulate the operating conditions under harsh conditions, which has limitations.

[0006] The technical solution of the present utility model is achieved in this way. The fatigue test device for connecting an elbow of a vacuum cleaner comprises a base, the main body of the base is a rectangular frame structure, and the top end of the base is screwed with a fixing bolt, the top end of the fixing bolt is fixedly connected with a knob, and a sleeve is installed inside the base, the inner side of the sleeve is fixedly connected with the elbow pipe, and the inner side of the base is fixedly connected with a guide rail, the guide rail is longitudinally arranged, and a longitudinal groove is opened inside the guide frame, a spring rod is installed inside the longitudinal groove, and the inner side of the spring rod is fixedly connected with a guide block, the outer side of the guide block is fixedly connected with a slider, and the top surface of the guide rail is fixedly connected with a bracket, the top surface of the bracket is fixedly connected with the guide rail, and an adjusting push rod is installed inside the guide rail, and a movable seat is installed on the rear side of the adjusting push rod, and a card block is fixedly connected to the outer side of the movable seat, and the bottom end of the movable seat is fixedly connected with a connecting plate:

[0007] As a preferred embodiment, a through groove is opened inside the base, which is used to install the sleeve, and the diameter of the knob is larger than the diameter of the fixing bolt, and the fixing bolt and the knob together constitute a limiting clamping structure for the sleeve, and the spring rod is provided at two locations.

[0008] As a preferred embodiment, the inner sides of the two spring rods are fixedly connected with guide blocks, and there are four sliders in total, wherein every two laterally adjacent sliders form a group, and the two groups of sliders are fixedly connected to the left and right side surfaces of the two guide blocks in opposite directions, and the guide blocks are slidably connected in the guide rails through the sliders fixedly connected on their outer surfaces.

[0009] As a preferred embodiment, the brackets are provided at two locations, and the two brackets are fixedly connected in a linear array at the front and rear positions of the top end surface of the guide rail, and a longitudinal groove is opened inside the guide rail, and the adjustment push rod is arranged longitudinally and parallel to the guide rail.

[0010] As a preferred embodiment, the card block is a structure protruding from the moving seat, and there are two card blocks in total. The two card blocks are fixedly connected in opposite directions on the left and right side surfaces of the moving seat, and the moving seat is slidably connected to the guide rail through the card blocks fixedly connected on its outer surface.

[0011] As a preferred embodiment, the main body of the connecting plate is an L-shaped structure, and there are two connecting plates in total, and the two connecting plates are fixedly connected to the front and rear side surfaces of the movable seat in opposite directions.

[0012] After using the above technical solution, the beneficial effects of the utility model are:

[0013] 1. In the utility model, a connecting plate fixedly connected to the bottom end surface of the movable seat is provided, so that when the elbow of the vacuum cleaner is undergoing fatigue detection, the movable seat can be pushed by starting the adjustment push rod installed in the guide rail, and when the movable seat moves, the connecting plate can be synchronously used to drive the movable seat and the card block to perform reciprocating linear motion to realize rapid impact bending detection, thereby achieving a more practical purpose.

[0014] 2. In the present invention, a guide block with an arc structure is provided, and the two guide blocks are arranged opposite to each other. Therefore, when the elbow pipe arranged on the outside of the sleeve is being tested, the collision detection operation of the vacuum cleaner accessories such as the elbow pipe can be realized by utilizing the reciprocating motion operation of the two guide blocks. Not only can the bending detection of the elbow be realized, but also the strength of the elbow can be tested. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0016] Figure 1 This is a schematic diagram of the disassembled front and side structure of the elbow fatigue testing device of the present invention;

[0017] Figure 2 This is a schematic diagram of the front and side structure of the elbow fatigue testing device of the present invention;

[0018] Figure 3 This is a left-side structural schematic diagram of the elbow fatigue testing device of the present invention;

[0019] Figure 4 This is a schematic diagram of the combined structure of the bracket and guide rail of the elbow fatigue testing device of the present invention;

[0020] Figure 5 This is a schematic diagram of the top view of the elbow fatigue testing device of the present invention;

[0021] Figure 6 This is a schematic diagram of the combined structure of the base and guide rails of the elbow fatigue testing device of the present invention;

[0022] In the figure, 1. base; 101. fixing bolt; 102. knob; 103. sleeve; 104. elbow pipe; 2. guide frame; 201. spring rod; 202. guide block; 203. slider; 3. bracket; 301. guide frame; 302. adjustment push rod; 303. moving seat; 304. block; 305. connecting plate. DETAILED DESCRIPTION

[0023] The following will be combined with the 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.

[0024] like Figures 1-6 As shown, the fatigue test device for the elbow connection of a vacuum cleaner includes: a base 1, the main body of the base 1 is a rectangular frame structure, and a fixing bolt 101 is screwed on the top of the base 1, and a knob 102 is fixedly connected to the top of the fixing bolt 101, and a sleeve 103 is installed inside the base 1, and the inner side of the sleeve 103 is fixedly connected to the elbow tube 104, and the inner side of the base 1 is fixedly connected to a guide frame 2, the guide frame 2 is longitudinally arranged, and a longitudinal groove is opened inside the guide frame 2, a spring rod 201 is installed inside the longitudinal groove, and a guide block 202 is fixedly connected to the inner side of the spring rod 201, and the guide block 202 is fixedly connected to the inner side of the guide block 202. The slider 203 is fixedly connected to the outside, and the bracket 3 is fixedly connected to the top surface of the guide frame 2, the guide frame 301 is fixedly connected to the top surface of the bracket 3, and the adjusting push rod 302 is installed inside the guide frame 301, and the movable seat 303 is installed on the rear side of the adjusting push rod 302, and the outer side of the movable seat 303 is fixedly connected to the block 304, and the bottom end of the movable seat 303 is fixedly connected to the connecting plate 305, the main body of the connecting plate 305 is an L-shaped structure, and there are two connecting plates 305, and the two connecting plates 305 are fixedly connected to the front and rear side positions of the movable seat 303 in opposite directions.

[0025] Among them, a through groove is opened inside the base 1, which is used to install the sleeve 103, and the diameter of the knob 102 is larger than the diameter of the fixing bolt 101, and the fixing bolt 101 and the knob 102 together constitute a limit clamping structure for the sleeve 103, and there are two spring rods 201, and the inner sides of the two spring rods 201 are fixedly connected to the guide blocks 202, and there are four sliders 203, wherein every two laterally adjacent sliders 203 form a group, and the two groups of sliders 203 are fixedly connected to the left and right side positions of the two guide blocks 202 in opposite directions, and the guide block 202 is slidably connected to the guide frame 2 through the slider 203 fixedly connected on its outer surface.

[0026] Among them, there are two brackets 3, and the two brackets 3 are fixedly connected in a linear array at the front and rear sides of the top surface of the guide frame 2, and a longitudinal groove is opened inside the guide frame 301, and the adjustment push rod 302 is arranged longitudinally and parallel to the guide frame 301. The clamping block 304 is a structure protruding from the moving seat 303, and there are two clamping blocks 304. The two clamping blocks 304 are fixedly connected in opposite directions at the left and right side positions of the moving seat 303, and the moving seat 303 is slidably connected in the guide frame 301 through the clamping blocks 304 fixedly connected on its outer surface.

[0027] During use, when the sleeve 103 and the elbow pipe 104 in the vacuum cleaner components are subjected to a bending test, the sleeve 103 and the elbow pipe 104 can be inserted into the internal position of the through slot provided in the base 1, and the sleeve 103 inserted into the base 1 can be tightened and limited by holding the knob 102 fixedly connected to the top surface of the fixing bolt 101. At this time, the adjusting push rod 302 installed in the guide frame 301 is activated to push the movable base 303 back and forth in a straight line.

[0028] And when the movable seat 303 moves, the two blocks 304 fixedly connected to the outside of the movable seat 303 can be synchronously used to move along the longitudinal groove opened in the guide frame 301, and when the movable seat 303 moves, the connecting plate 305 fixedly connected to the outside of the movable seat 303 can be synchronously used to drive the guide block 202 and the slider 203 slidably connected to the guide frame 2 to perform reciprocating linear motion operations, and the elbow pipe 104 is squeezed by the guide block 202 and the slider 203 to realize the bending fatigue test operation, thereby achieving the purpose of improving the test efficiency.

Claims

1. Vacuum cleaner connection elbow fatigue test device, characterized in that, The invention comprises a base (1), wherein the main body of the base (1) is a rectangular frame structure, and a fixing bolt (101) is screwed on the top of the base (1), the top of the fixing bolt (101) is fixedly connected to a knob (102), and a sleeve (103) is installed inside the base (1), the inner side of the sleeve (103) is fixedly connected to an elbow tube (104), and the inner side of the base (1) is fixedly connected to a guide frame (2), the guide frame (2) is longitudinally arranged, a longitudinal groove is opened inside the guide frame (2), a spring rod (201) is installed inside the longitudinal groove, and the spring rod ( The inner side of the guide frame (201) is fixedly connected to a guide block (202), the outer side of the guide block (202) is fixedly connected to a slider (203), and the top surface of the guide frame (2) is fixedly connected to a bracket (3), the top surface of the bracket (3) is fixedly connected to a guide frame (301), and an adjusting push rod (302) is installed inside the guide frame (301), and a moving seat (303) is installed on the rear side of the adjusting push rod (302), and a clamping block (304) is fixedly connected to the outer side of the moving seat (303), and a connecting plate (305) is fixedly connected to the bottom end of the moving seat (303).

2. The vacuum cleaner connecting elbow fatigue test device according to claim 1, characterized in that: A through slot is provided inside the base (1), and the through slot is used to install the sleeve (103). The diameter of the knob (102) is larger than the diameter of the fixing bolt (101). The fixing bolt (101) and the knob (102) together form a limiting clamping structure for the sleeve (103). The spring rod (201) is provided at two locations.

3. The vacuum cleaner connecting elbow fatigue test device according to claim 2, characterized in that: The inner sides of the two spring rods (201) are fixedly connected to guide blocks (202), and there are four sliders (203) in total, wherein two sliders (203) adjacent to each other in the transverse direction form a group, and the two groups of sliders (203) are fixedly connected to the left and right side surfaces of the two guide blocks (202) in opposite directions, and the guide blocks (202) are slidably connected to the guide frame (2) through the sliders (203) fixedly connected to the outer sides thereof.

4. The vacuum cleaner connecting elbow fatigue test device according to claim 1, characterized in that: The brackets (3) are provided at two locations, and the two brackets (3) are fixedly connected in a linear array at the front and rear sides of the top surface of the guide frame (2), and a longitudinal groove is provided inside the guide frame (301). The adjustment push rod (302) is provided longitudinally and parallel to the guide frame (301).

5. The vacuum cleaner connecting elbow fatigue test device according to claim 1, characterized in that: The clamping block (304) is a structure protruding from the movable seat (303), and the clamping blocks (304) are provided at two locations. The two clamping blocks (304) are fixedly connected to each other at the left and right side positions of the movable seat (303). The movable seat (303) is slidably connected to the guide frame (301) through the clamping blocks (304) fixedly connected to the outer surface thereof.

6. The vacuum cleaner connecting elbow fatigue test device according to claim 1, characterized in that: The main body of the connecting plate (305) is an L-shaped structure, and there are two connecting plates (305) in total, and the two connecting plates (305) are fixedly connected to the front and rear side surfaces of the movable seat (303) in opposite directions.

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