Device for measuring liquid sealing depth of small hole of hydraulic bushing

Abstract

The utility model discloses a device for measuring the liquid sealing depth of a small hole of a hydraulic bushing, which relates to the technical field of manufacturing of automobile parts and comprises a dial indicator, a fixed column and a probe rod, an upper channel and a lower channel which are connected are vertically arranged in the fixing column, and the diameter of the upper channel is larger than that of the lower channel. The probe rod comprises a rod body arranged in the lower channel in a sliding mode, and the upper end of the rod body extends into the upper channel and forms a sliding block matched with the upper channel; a probe is arranged at the lower end of the rod body, and the probe can extend out of the lower channel and extend into the flow channel of the hydraulic bushing; the dial indicator is arranged above the fixing column, and a probe of the dial indicator extends into the upper channel from top to bottom and abuts against the sliding block. The device is simple in structure, and can be suitable for measuring the liquid sealing depth of the tail end with a narrow and thin space.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts manufacturing, and specifically to a device for measuring hydraulic bushing small hole liquid sealing depth. BACKGROUND

[0002] The hydraulic bushing needs to measure the end liquid sealing depth with narrow and long space after being made, and the detection result is used to compare the compliance of the related product physical size and drawing size. However, at present, there is still lack of effective special depth measuring tool, which seriously affects the product quality and work efficiency. UTILITY MODEL CONTENTS

[0003] In view of the defects in the prior art, the utility model aims at providing a device for measuring hydraulic bushing small hole liquid sealing depth, which is simple in structure and can be applied to measure the end liquid sealing depth with narrow and long space.

[0004] To achieve the above purpose, the utility model takes the technical scheme that a device for measuring hydraulic bushing small hole liquid sealing depth, including dial indicator, still including fixed column and probe rod, the fixed column inside is provided with the upper channel and lower channel that are connected vertically, and the diameter of the upper channel is greater than the lower channel, the probe rod includes the rod body that is slidably arranged in the lower channel, the upper end of the rod body extends into the upper channel and forms the sliding block that is matched with the upper channel, the lower end of the rod body is provided with the probe head, the probe head can extend from the lower channel and extend into the flow channel of the hydraulic bushing, the dial indicator is arranged above the fixed column, and the probe rod of the dial indicator extends into the upper channel from top to bottom and abuts on the sliding block.

[0005] Further improvement lies in that the dial indicator is provided with a spring, and the probe rod is pre-pressed downward on the sliding block under the elastic force of the spring.

[0006] Further improvement lies in that the upper end of the fixed column is provided with a first reduced diameter part, and the side surface of the first reduced diameter part is provided with a mounting hole that is communicated with the upper channel, and the mounting hole is provided with a fixing bolt that is used for fixing the dial indicator.

[0007] Further improvement lies in that the lower end of the lower channel is provided with a flared part.

[0008] Further improvement lies in that the dial indicator includes a circular table body, and the table body is provided with a digital display screen, and the bottom of the table body is connected with the probe rod through a connecting rod.

[0009] Further improvement lies in that the lower end of the probe rod is provided with a second reduced diameter part, and the second reduced diameter part is connected with the probe head through an inclined transition part.

[0010] Further improvement lies in that the device further comprises a reference block gauge, the reference block gauge is in a circular structure, and a reference groove is arranged at the center of the reference block gauge.

[0011] Further improvement lies in that the hydraulic bushing comprises a rubber body and a base; the rubber body is connected with the base through a connecting seat, and a hollow liquid chamber is arranged in the connecting seat; a cavity is arranged in the rubber body, the bottom of the cavity is communicated with the liquid chamber through a flow channel, and a steel ball is arranged in the flow channel; an opening is arranged at the upper end of the cavity, the fixed column extends into the cavity from the opening and abuts against the inner bottom wall of the cavity, and the probe extends into the flow channel and abuts against the steel ball.

[0012] Further improvement lies in that a framework is arranged in the rubber body, and the inner bottom wall of the cavity is provided with a limiting step matched with the fixed column.

[0013] Further improvement lies in that a guide opening is arranged at the upper end of the flow channel, so that the probe can extend into the flow channel.

[0014] The device has the advantages that:

[0015] 1. In the device, the function is designed as a general structure, and the detection requirements of various products can be realized by replacing fixed columns and probes of different sizes, thereby saving costs.

[0016] 2. In the device, the liquid filling depth of the hydraulic bushing product can be measured digitally, which is reliable, accurate and convenient.

[0017] 3. In the device, the reference block gauge is designed, the zero can be calibrated repeatedly, there is no cumulative error, the wear of the probe can be ignored, and the probe can be repeatedly used.

[0018] 4. In the device, the elasticity of the dial gauge is directly used to pre-press the probe rod on the probe rod, a certain pre-tightening force is generated, the accuracy of displacement transmission is ensured, and the structure is simpler and the operation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the device for measuring the liquid sealing depth of the small hole of the hydraulic bushing in the embodiment of the device.

[0020] Figure 2 It is a sectional view of the device for measuring the liquid sealing depth of the small hole of the hydraulic bushing in the embodiment of the device.

[0021] Figure 3 It is a structure schematic view of the fixed column in the embodiment of the device.

[0022] Figure 4 It is a structure schematic view of the dial gauge in the embodiment of the device.

[0023] Figure 5 It is a structure schematic view of the probe rod in the embodiment of the device.

[0024] Figure 6 It is the structure schematic view of the reference block gauge in the embodiment of the utility model;

[0025] Figure 7 It is the sectional view of the reference block gauge in the embodiment of the utility model;

[0026] Figure 8 It is the working schematic view of the device for measuring the hydraulic bushing small hole liquid seal depth in the embodiment of the utility model;

[0027] Figure 9 It is the structure schematic view of the hydraulic bushing in the embodiment of the utility model.

[0028] Reference signs:

[0029] 1-fixed column;11-upper passage;12-lower passage;13-flared portion;14-first reduced diameter portion;15-mounting hole;

[0030] 2-dial gauge;21-gauge body;22-digital display screen;23-connecting rod;24-probe rod;

[0031] 3-probe rod;31-rod body;32-sliding block;33-second reduced diameter portion;34-probe head;35-inclined transition portion;

[0032] 4-fixing bolt;

[0033] 5-reference block gauge;51-reference recess;

[0034] 6-hydraulic bushing;601-rubber body;602-base;603-connection seat;604-liquid chamber;605-cavity;606-opening;607-flow passage;608-steel ball;609-limiting step;610-guiding port;611-skeleton. DETAILED DESCRIPTION

[0035] The embodiments of the utility model are described in detail below, and the embodiment examples are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout.

[0036] In the description of the utility model, it is necessary to explain that, for the direction word, if the term "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0037] In addition, if the terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0038] The specific embodiments of the utility model are further described below in conjunction with the drawings of the specification, so that the technical scheme of the utility model and its beneficial effects are more clear and explicit. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model.

[0039] Referring to Figure 1 And Figure 2 As shown in the utility model embodiment provides a kind of device for measuring hydraulic bushing small hole seal liquid depth, including dial gauge 2, fixed column 1 and probe rod 3.

[0040] As shown in figure 3, the upper channel 11 and the lower channel 12 are vertically arranged in the fixed column 1, and the diameter of the upper channel 11 is greater than that of the lower channel 12. Specifically, the upper end of the fixed column 1 is provided with a first reduced diameter portion 14, and the side surface of the first reduced diameter portion 14 is provided with a mounting hole 15 communicating with the upper channel 11. The mounting hole 15 is provided with a fixing bolt 4 for fixing the dial gauge 2. The lower end of the lower channel 12 is provided with a flared portion 13.

[0041] As shown in figure 3, the upper channel 11 and the lower channel 12 are vertically arranged in the fixed column 1, and the diameter of the upper channel 11 is greater than that of the lower channel 12. Specifically, the upper end of the fixed column 1 is provided with a first reduced diameter portion 14, and the side surface of the first reduced diameter portion 14 is provided with a mounting hole 15 communicating with the upper channel 11. The mounting hole 15 is provided with a fixing bolt 4 for fixing the dial gauge 2. The lower end of the lower channel 12 is provided with a flared portion 13. Figure 5 As shown in figure 3, the upper channel 11 and the lower channel 12 are vertically arranged in the fixed column 1, and the diameter of the upper channel 11 is greater than that of the lower channel 12. Specifically, the upper end of the fixed column 1 is provided with a first reduced diameter portion 14, and the side surface of the first reduced diameter portion 14 is provided with a mounting hole 15 communicating with the upper channel 11. The mounting hole 15 is provided with a fixing bolt 4 for fixing the dial gauge 2. The lower end of the lower channel 12 is provided with a flared portion 13.

[0042] Referring to Figure 4 As shown in the figure, the dial gauge 2 is arranged above the fixed column 1, and the probe 24 of the dial gauge 2 extends into the upper channel 11 from top to bottom and abuts against the sliding block 32. Specifically, a spring is arranged in the dial gauge 2, and the probe 24 pre-presses the sliding block 32 downward under the elastic force of the spring.

[0043] The dial gauge 2 comprises a circular dial body 21, and a digital screen 22 is arranged on the dial body 21, and the bottom of the dial body 21 is connected with the probe 24 through a connecting rod 23.

[0044] Referring to Figure 6 and Figure 7 As shown in the figure, the device for measuring the depth of the hydraulic bushing small hole sealing liquid further comprises a reference block gauge 5, the reference block gauge 5 is in a circular structure, and a reference groove 51 is arranged at the center of the reference block gauge 5.

[0045] Referring to Figure 8 and Figure 9 As shown in the figure, the hydraulic bushing 6 comprises a rubber body 601 and a base 602; the rubber body 601 is connected with the base 602 through a connecting seat 603, and a hollow liquid chamber 604 is arranged in the connecting seat 603; an inner cavity 605 is arranged in the rubber body 601, the bottom of the inner cavity 605 is connected with the liquid chamber 604 through a flow channel 607, and a steel ball 608 is arranged in the flow channel 607; an opening 606 is arranged at the upper end of the inner cavity 605, the fixed column 1 extends into the inner cavity 605 from the opening 606 and abuts against the inner bottom wall of the inner cavity 605, and the probe 34 extends into the flow channel 607 and abuts against the steel ball 608. Specifically, a framework 611 is arranged in the rubber body 601, and the inner bottom wall of the inner cavity 605 is provided with a limiting step 609 matched with the fixed column 1. A guide opening 610 is arranged at the upper end of the flow channel 607, so as to facilitate the probe 34 to extend into the flow channel 607.

[0046] Working principle of the utility model:

[0047] Firstly, a standard depth block gauge (simulating the depth of the actual object) is made according to the depth size to be measured, which is mainly used for zero setting of the digital (or digital) dial gauge, and after zero setting, the sealing liquid depth of the actual object can be directly measured, the size value can be directly read from the dial, and the product is compared with the drawing size to judge whether it is qualified or not. The transmission of the narrow space action is realized by the close contact between the intermediate lengthening probe and the digital (or digital) dial gauge, and there is a certain pre-pressing amount between the two, which guarantees the accuracy and reliability of information transmission.

[0048] In the description of the specification, the description of the terms "one embodiment", "preferably", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model, and the illustrative description of the above terms in the specification does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] Through the description of the structure and principle above, those skilled in the art should understand that the utility model is not limited to the specific embodiments described above, and improvements and replacements of the technology known in the art based on the utility model all fall within the protection scope of the utility model, which should be limited by the claims.

Claims

1. A device for measuring the depth of a hydraulic bushing orifice sealant, comprising a dial gauge (2), characterized in that: It also comprises a fixed column (1) and a probe rod (3); The fixed column (1) is internally provided with an upper channel (11) and a lower channel (12) in series, and the diameter of the upper channel (11) is larger than that of the lower channel (12); The probe rod (3) comprises a rod body (31) slidingly arranged in the lower channel (12), the upper end of the rod body (31) extends into the upper channel (11) and forms a sliding block (32) matched with the upper channel (11); the lower end of the rod body (31) is provided with a probe head (34) which can extend out of the lower channel (12) and extend into a flow channel (607) of a hydraulic bushing (6); The dial gauge (2) is arranged above the fixed column (1), and the probe rod (24) of the dial gauge (2) extends into the upper channel (11) from top to bottom and abuts against the sliding block (32).

2. The device for measuring the depth of the bore hole sealant fluid of the hydraulic bushing according to claim 1, characterized in that: The dial gauge (2) is provided with a spring, and the probe rod (24) is pre-pressed downward on the sliding block (32) under the elastic force of the spring.

3. The device for measuring the depth of the bore hole sealant fluid of the hydraulic bushing according to claim 1, characterized in that: The upper end of the fixed column (1) is provided with a first reduced diameter portion (14), and the side surface of the first reduced diameter portion (14) is provided with a mounting hole (15) in communication with the upper channel (11), and the mounting hole (15) is provided with a fixing bolt (4) for fixing the dial gauge (2).

4. The device for measuring the depth of the bore hole sealant fluid of the hydraulic bushing according to claim 1, characterized in that: The lower end of the lower channel (12) is provided with a flared portion (13).

5. The device for measuring the depth of the bore hole sealant fluid of the hydraulic bushing according to claim 1, characterized in that: The dial gauge (2) comprises a circular dial body (21), and a digital display screen (22) is arranged on the dial body (21), and the bottom of the dial body (21) is connected with the probe rod (24) through a connecting rod (23).

6. The device for measuring the depth of the bore hole sealant fluid of a hydraulic bushing according to claim 1, characterized in that: The lower end of the probe rod (3) is provided with a second reduced diameter portion (33), and the second reduced diameter portion (33) is connected with the probe head (34) through an inclined transition portion (35).

7. The device for measuring the depth of the bore hole sealant fluid of the hydraulic bushing according to claim 1, characterized in that: It also comprises a reference block gauge (5), which is in a circular structure, and a reference groove (51) is arranged at the center of the reference block gauge (5).

8. The device for measuring the depth of the bore hole sealant fluid of a hydraulic bushing according to claim 1, characterized in that: The hydraulic bushing (6) comprises a rubber body (601) and a base (602); the rubber body (601) is connected with the base (602) through a connecting seat (603), and a hollow liquid chamber (604) is arranged in the connecting seat (603); a cavity (605) is arranged in the rubber body (601), the bottom of the cavity (605) is communicated with the liquid chamber (604) through a flow channel (607), and a steel ball (608) is arranged in the flow channel (607); an opening (606) is arranged at the upper end of the cavity (605), the fixed column (1) extends into the cavity (605) from the opening (606) and abuts against the inner bottom wall of the cavity (605), and the probe head (34) extends into the flow channel (607) and abuts against the steel ball (608).

9. The device for measuring the depth of the bore hole sealant fluid of a hydraulic bushing according to claim 8, characterized in that: A skeleton (611) is arranged in the rubber body (601), and the inner bottom wall of the cavity (605) is provided with a limiting step (609) matched with the fixed column (1).

10. The device for measuring the depth of the bore hole sealant fluid of a hydraulic bushing according to claim 8, characterized in that: The upper end of the flow channel (607) is provided with a guide opening (610) to facilitate the probe head (34) to extend into the flow channel (607).

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