CN221037910U

CN221037910U - Leakage detection device

Info

Publication number: CN221037910U
Application number: CN202322899609.4U
Authority: CN
Inventors: 郁金; 谢伟藩; 谢旭藩; 黄亚魁; 文继甜
Original assignee: Hengjie Intelligent Sanitary Ware Shenzhen Co ltd
Current assignee: Hengjie Intelligent Sanitary Ware Shenzhen Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-05-28
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a leakage detection device which is used for detecting the tightness of an instant heating type water tank, wherein the instant heating type water tank is provided with a first air vent, a second air vent, a third air vent, a first inner cavity and a first inner cavity, the first air vent is communicated with the third air vent and the first inner cavity, the second air vent is communicated with the second inner cavity, the leakage detection device comprises a frame, an air vent detection mechanism and a plug, the first air vent of the air vent detection mechanism is communicated with the first air vent of the instant heating type water tank, and the second air vent is communicated with the second air vent. Through the scheme, when the leakage detection device is used for detecting the instant heating type water tank, the damage to the elastic element between the first inner cavity and the first inner cavity in the instant heating type water tank is small.

Description

Leakage detection device

Technical Field

The utility model relates to the technical field of tightness detection, in particular to a leakage detection device.

Background

Most of the existing intelligent toilets have the function of flushing private parts, and the instant heating type water tank is generally adopted to realize instant heating of running water, so that the temperature of water for flushing can reach the temperature comfortable to a human body, and user experience is improved. In the production process of the instant heating type water tank, the air tightness of the instant heating type water tank is required to be tested in order to ensure that the product is watertight.

In the prior art, the tightness is tested by adopting a ventilation and pressurization mode for detecting the gas leakage quantity in the instant heating type water tank, and the air pressure in the instant heating type water tank needs to be increased to a higher level when the ventilation and pressurization mode is adopted for detection for the instant heating type water tank with higher tightness requirement. However, the instant heating type water tank is provided with two or more inner cavities, a valve is arranged between the inner cavities, when the air pressure difference between the two inner cavities communicated by the valve is large, the deformation amount of the elastic element in the valve is large, and meanwhile, the deformation can cause the volume change of the inflated cavity to generate tiny air pressure change, so that the judgment result of the leakage tester is wrong in the test, and the elastic element is easily caused to generate plastic deformation, so that the sealing property of the valve is influenced.

Disclosure of utility model

The utility model mainly aims to provide a leakage detection device which aims to reduce damage to an instant heating type water tank in the detection process and improve the accuracy and efficiency of the test.

In order to achieve the above object, the present utility model provides a leak detection device for detecting tightness of an instant heating water tank, the instant heating water tank is provided with a first air vent, a second air vent, a third air vent, a first inner cavity and a second inner cavity, wherein the first air vent and the third air vent are communicated with the first inner cavity, the second air vent is communicated with the second inner cavity, the leak detection device comprises:

the frame is internally provided with a clamp for fixing the instant heating type water tank;

The ventilation detection mechanism is arranged above the clamp and is provided with a ventilation detection piece, a first inflation port and a second inflation port, wherein the first inflation port is communicated with the ventilation detection piece, the second inflation port is communicated with the second ventilation port, and the ventilation detection piece is used for ventilating the first inner cavity and the second inner cavity and detecting air pressure;

And the plug is arranged on the frame and is used for blocking the third air vent.

In some embodiments of the present utility model, the ventilation detecting mechanism includes a first driving member and a movable block, the first driving member is mounted on the frame and is in driving connection with the movable block, the movable block can slide along a horizontal direction relative to the clamp, and the first inflation inlet is formed on one side of the movable block in a sliding direction;

the movable block is further provided with a first air inlet which is communicated with the first air charging opening and is respectively arranged at two sides of the movable block, and the first air inlet is communicated with the ventilation detection piece.

In some embodiments of the present utility model, the first driving member is configured as a slider cylinder, and one surface of a slider of the slider cylinder is fixedly connected with the movable block.

In some embodiments of the present utility model, the ventilation detecting mechanism further includes a second driving member and a movable rod, where the second driving member is installed on the frame and is in driving connection with the movable rod, the movable rod extends vertically and can slide along an axial direction relative to the fixture, and the second inflation inlet is formed on a bottom end face of the movable rod;

the side of the movable rod is provided with a second air inlet which is communicated between the second air charging port and the ventilation detection piece.

In some embodiments of the present utility model, the frame is vertically provided with a through hole, and the second driving member is configured as a single-acting cylinder, and a piston rod of the single-acting cylinder passes through the through hole from the upper side of the frame and is connected with the movable rod.

In some embodiments of the present utility model, the ventilation detection mechanism further includes a guide rod and a connecting piece, wherein a sliding hole is vertically formed in the top of the frame, the guide rod is slidably mounted in the sliding hole, and the connecting piece is fixedly connected between the guide rod and the movable rod.

In some embodiments of the present utility model, the connecting piece includes a first plate body and a second plate body, the first plate body and the second plate body are connected at an angle, the first plate body is provided with an assembly hole, a side surface of the movable rod is provided with a first screw hole, and a screw connector passes through the assembly hole and is screwed into the first screw hole;

The second plate body is kept away from the one end of first plate body is provided with the assembly breach, the second screw has been seted up to the bottom of guide bar, and the spiro union piece passes the assembly breach and screw in the second screw.

In some embodiments of the present utility model, the frame includes a base, a support column and a top plate, the clamp is disposed on the base, the support column is supported between the base and the top plate, the top plate is provided with the through hole and the sliding hole, and the single-acting cylinder is mounted on the top plate.

In some embodiments of the utility model, the leak detection apparatus further includes a third drive member drivingly connected to the plug.

In some embodiments of the utility model, the leak detection apparatus further comprises a control module electrically connecting the ventilation detection mechanism and the third driver, the control module being provided with a control button.

When the leak detection device in the technical scheme of the utility model is used for detecting the tightness of the instant heating type water tank, the first air charging port of the ventilation detection mechanism is communicated with the first air charging port of the instant heating type water tank, the second air charging port is communicated with the second air charging port, so that the first inner cavity and the second inner cavity of the instant heating type water tank are communicated through the ventilation detection mechanism, when the ventilation detection mechanism ventilates and pressurizes the inner cavities, the air pressures of the two inner cavities can be balanced, thereby avoiding the overlarge air pressure difference of the two inner cavities, further causing the overlarge deformation of an elastic element of a valve at the joint of the two inner cavities, and having smaller influence on the material structure of the elastic element and preventing the elastic element from generating plastic deformation; on the other hand, the change of the volume of the inner cavity caused by the deformation of the elastic element is small, the deviation of the detection result of the ventilation detection mechanism caused by the change of the volume of the inner cavity is prevented, the detection accuracy is higher, and the protection of the elastic element is good.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a leak detection apparatus according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a leak detection apparatus according to an embodiment of the present utility model;

FIG. 3 is a schematic view of another embodiment of a leak detection apparatus according to the present utility model;

FIG. 4 is an enlarged view of FIG. 3 at A;

FIG. 5 is a schematic view of another embodiment of a leak detection apparatus according to the present utility model;

FIG. 6 is a schematic view of a part of the structure of the ventilation detecting mechanism in the present utility model;

FIG. 7 is a schematic diagram of an embodiment of an instant heating water tank;

FIG. 8 is a schematic diagram of an embodiment of an instant heating tank in another view;

Fig. 9 is a cross-sectional view of an embodiment of an instant heating water tank.

Reference numerals illustrate:

Reference numerals	Name of the name	Reference numerals	Name of the name
				100	Leakage detection device	125	Movable rod
110	Frame	1251	First screw hole
				111	Clamp	1252	Second air inlet
112	Through hole	126	Guide rod
				113	Slide hole	1261	Second screw hole
114	Base seat	127	Connecting piece
				115	Support column	1271	First plate body
116	Top plate	1272	Assembly hole
				117	Protective cover	1273	Second plate body
120	Ventilation detection mechanism	1274	Assembly notch
				1201	First air charging port	130	Plug head
1202	Second air charging port	140	Third driving member
				121	First driving member	150	Control button
1211	Sliding block	200	Instant heating type water tank
				122	Movable block	201	First air vent
1221	First air inlet	202	Second ventilation port
				123	Ventilation detection piece	203	Third air vent
124	Second driving member	204	A first inner cavity
				1241	Single-acting cylinder	205	A second inner cavity
1242	Piston rod	206	Elastic element

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes a leak detection apparatus 100 for detecting the tightness of an instant heating water tank 200, referring to fig. 7 to 9, fig. 7 to 9 are specific embodiments of an instant heating water tank 200, the instant heating water tank 200 is provided with a first air vent 201, a second air vent 202, a third air vent 203, a first inner cavity and a second inner cavity 205, wherein the first air vent 201 and the third air vent 203 are communicated with the first inner cavity, the second air vent 202 is communicated with the second inner cavity 205, an elastic element 206 is arranged between the first inner cavity and the second inner cavity 205, and the elastic element 206 can seal or open a communication channel between the two inner cavities under the action of fluid pressure to realize unidirectional fluid circulation.

Referring to fig. 1-3, a leak detection apparatus 100 includes a frame 110, a vent detection mechanism 120, and a plug 130; wherein, a clamp 111 is arranged in the frame 110 for fixing the instant heating type water tank 200; the ventilation detection mechanism 120 is arranged above the clamp 111, the ventilation detection mechanism 120 is provided with a ventilation detection piece 123, a first inflation port 1201 communicated with the ventilation detection piece 123 and a second inflation port 1202, the first inflation port 1201 is communicated with the first ventilation port 201, the second inflation port 1202 is communicated with the second ventilation port 202, and the ventilation detection piece 123 is used for ventilating the first inner cavity and the second inner cavity 205 and detecting air pressure; a stopper 130 is mounted to the frame 110, and the stopper 130 is used to block the third vent 203.

The plug 130 may be fixed to the frame 110, and the plug 130 may block the third vent 203 when the instant heating water tank 200 is fixed to the jig 111; or can be connected to the frame 110 by a motor and a transmission mechanism and can move relative to the frame 110.

The jig 111 is provided according to the structure of the instant heating type water tank 200 to be detected, and is not limited herein; the ventilation detecting means 120 stops the inflation after a certain amount of gas is filled into the inner cavity, the air pressure in the inner cavity increases, the ventilation detecting means 120 detects the air pressure variation in the inner cavity, and when the air pressure variation exceeds a preset value, the tightness of the instant heating type water tank 200 is considered to be unqualified.

When the leak detection device 100 in the technical scheme of the utility model is used for detecting the tightness of the instant heating type water tank 200, the first air charging port 1201 of the ventilation detection mechanism 120 is communicated with the first air charging port 201 of the instant heating type water tank 200, and the second air charging port 1202 is communicated with the second air charging port 202, so that the two inner cavities of the instant heating type water tank 200 are communicated through the ventilation detection mechanism 120, when the ventilation detection mechanism 120 ventilates and pressurizes the inner cavities, the air pressures of the two inner cavities can be balanced, thereby avoiding the overlarge air pressure difference of the two inner cavities, further causing the overlarge deformation of an elastic element of a valve at the joint of the two inner cavities, and having smaller influence on the material structure of the elastic element on one hand, and preventing the elastic element from generating plastic deformation; on the other hand, the change in the volume of the inner chamber due to the deformation of the elastic element is small, the deviation of the detection result of the ventilation detection mechanism 120 due to the change in the volume of the inner chamber is prevented, the detection accuracy is higher, and the protection of the elastic element is good.

Referring to fig. 4, in some embodiments of the present utility model, the ventilation detecting mechanism 120 includes a first driving member 121 and a movable block 122, where the first driving member 121 is mounted on the frame 110 and is in driving connection with the movable block 122, the movable block 122 can slide along a horizontal direction relative to the clamp 111, and a first inflation opening 1201 is formed on one side of the movable block 122 in a sliding direction; the movable block 122 is further provided with a first air inlet 1221, the first air inlet 1221 is communicated with the first air charging port 1201 and is respectively arranged at two sides of the movable block 122, and the first air inlet 1221 is communicated with the ventilation detecting piece 123.

Through the above scheme, after the instant heating type water tank 200 is mounted to the clamp 111, the first driving piece 121 drives the movable block 122 to move, so that the first air charging port 1201 is in butt joint with the first air vent 201 of the instant heating type water tank, automatic butt joint is more convenient, and the first air inlet 1221 and the first air charging port 1201 are respectively arranged on two sides of the movable block 122, so that the first air charging port 1201 and the first air vent 201 are in butt joint with each other by an air pipe communicated with the first air inlet 1221 in the moving process of the movable block 122 can be prevented from being blocked; the first air inlet 1221 is communicated with the first air charging port 1201 and is disposed on two adjacent sides of the movable block 122, or may be disposed on two opposite sides of the movable block 122, which is not limited herein.

The first driving member 121 may be a linear motor, and further, in some embodiments of the present utility model, the first driving member 121 is configured as a slider cylinder, and one surface of a slider 1211 of the slider cylinder is fixedly connected to the movable block 122. The sliding block cylinder has the advantages of simple structure, easy maintenance, large output force, low cost and good durability, and is suitable for press fitting.

Referring to fig. 5 and 6, in some embodiments of the present utility model, the ventilation detecting mechanism 120 further includes a second driving member 124 and a movable rod 125, where the second driving member 124 may be a motor or an air cylinder, the second driving member 124 is mounted on the frame 110 and is in driving connection with the movable rod 125, the movable rod 125 extends vertically and can slide along an axial direction relative to the clamp 111, and a second inflation inlet 1202 is formed at a bottom end surface of the movable rod 125; the movable rod 125 is provided with a second air inlet 1252 on a side surface thereof, and the second air inlet 1252 is communicated between the second air charging port 1202 and the ventilation detecting member 123. So set up, degree of automation is higher, further makes things convenient for the operator to operate.

In some embodiments of the present utility model, the frame 110 is vertically provided with a through hole 112, the second driving member 124 is provided as a single-acting cylinder 1241, and a piston rod 1242 of the single-acting cylinder 1241 passes through the through hole 112 from the upper side of the frame 110 and is connected to the movable rod 125. So set up, movable rod 125 and single-acting cylinder 1241 are located the both sides of through-hole 112 respectively, and stability is better.

In order to further improve structural stability, in some embodiments of the present utility model, the ventilation detecting mechanism 120 further includes a guide rod 126 and a connecting member 127, the top of the frame 110 is vertically provided with a sliding hole 113, the guide rod 126 is slidably mounted in the sliding hole 113, and the connecting member 127 is fixedly connected between the guide rod 126 and the movable rod 125. In this way, the guide rod 126 and the connecting piece 127 radially limit one end, far away from the second driving piece 124, of the movable rod 125, so that the movable rod 125 is ensured to move straight, and the stability of the movable rod 125 is further improved.

The manner in which the connecting member 127 connects the guide rod 126 and the movable rod 125 may be a clamping connection, a threaded connection, or the like, and in some embodiments of the present utility model, the connecting member 127 includes a first plate 1271 and a second plate 1273, the first plate 1271 is connected to the second plate 1273 at an angle, the first plate 1271 has an assembly hole 1272, a first screw hole 1251 is provided on a side surface of the movable rod 125, and the threaded member passes through the assembly hole 1272 and is screwed into the first screw hole 1251; the end of the second plate 1273 far away from the first plate 1271 is provided with an assembling notch 1274, the bottom end of the guide rod 126 is provided with a second screw hole 1261, and the screw element passes through the assembling notch 1274 and is screwed into the second screw hole 1261.

Through the above scheme, when assembling, can be earlier with first plate 1271 through the fix with screw movable rod 125, then with second plate 1273 through the fix with screw guide rod 126, the assembly breach 1274 that second plate 1273 set up allows connecting piece 127 and movable rod 125 to fix the back, has certain assembly error between connecting piece 127 and the second plate 1273, has avoided leading to the problem that structural stress is great because of the unable assembly of assembly or forced assembly that causes of assembly error.

In some embodiments of the present utility model, the frame 110 includes a base 114, a support column 115 and a top plate 116, the clamp 111 is disposed on the base 114, the support column 115 is supported between the base 114 and the top plate 116, the top plate 116 is provided with a through hole 112 and a sliding hole 113, and the single-acting cylinder 1241 is mounted on the top plate 116. Thus, when the leak detection apparatus 100 is assembled, the assembly can be performed in the order from bottom to top, and the top structure of the frame 110 is prevented from obstructing the assembly of the components in the frame 110.

Further, in some embodiments of the present utility model, the leak detection apparatus 100 further includes a third driving member 140, and the third driving member 140 drives the connection plug 130. Further improves the degree of automation and is convenient to operate.

For the purpose of the movable stability of the plug 130, in some embodiments of the present utility model, the plug 130 is connected to the guide rod 126 through the connection member 127, and the guide rod 126 may be the same guide rod 126 connected to the movable rod 125, or may be another guide rod 126, which is not specifically limited herein.

In some embodiments of the present utility model, the leak detection apparatus 100 further includes a control module electrically coupled to the vent detection mechanism 120 and the third driver 140, the control module being provided with a control button 150. So configured, an operator may input control signals to the control module via the control buttons 150, which issues execution instructions to the electrically connected ventilation detection mechanism 120 and the third driving piece 140, thereby precisely controlling the working strokes of the driving pieces.

In some embodiments of the present utility model, the leak detection apparatus 100 further includes a protection cover 117, where the protection cover 117 covers the frame 110 to prevent the external environment from affecting the normal operation of the leak detection apparatus 100 and to prevent the safety problems such as pinching hands.

In some embodiments of the present utility model, two clamps 111 are disposed in the frame 110, and the leak detection apparatus 100 is provided with two ventilation detection mechanisms 120 and two plugs 130, and the two ventilation detection mechanisms and the two plugs 130 are combined with the two clamps 111 to form a dual station, so that the detection of the two instant heating water tanks 200 can be performed simultaneously, and the efficiency is higher.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A leak detection apparatus for detecting tightness of an instant heating type water tank provided with a first vent, a second vent, a third vent, a first inner cavity and a second inner cavity, wherein the first vent and the third vent are in communication with the first inner cavity and the second vent is in communication with the second inner cavity, the leak detection apparatus comprising:

2. The leak detection apparatus as defined in claim 1, wherein the ventilation detection mechanism includes a first driving member, a movable block, the first driving member being mounted to the frame and drivingly connected to the movable block, the movable block being slidable in a horizontal direction with respect to the clamp, the first inflation port being formed on one side in a sliding direction of the movable block;

3. The leak detection apparatus as defined in claim 2, wherein the first driving member is provided as a slider cylinder, and one surface of a slider of the slider cylinder is fixedly connected with the movable block.

4. The leak detection apparatus as defined in claim 2, wherein the ventilation detection mechanism further comprises a second driving member and a movable rod, the second driving member being mounted to the frame and drivingly connected to the movable rod, the movable rod extending vertically and being slidable in an axial direction relative to the clamp, the second inflation inlet being formed in a bottom end face of the movable rod;

5. The leak detection apparatus as defined in claim 4, wherein the frame is provided with a through hole, and the second driving member is provided as a single-acting cylinder, a piston rod of which passes through the through hole from an upper side of the frame and is connected to the movable rod.

6. The leak detection apparatus as defined in claim 5, wherein the vent detection mechanism further comprises a guide rod and a connecting member, wherein the frame is provided with a slide hole along a vertical direction, the guide rod is slidably mounted in the slide hole, and the connecting member is fixedly connected between the guide rod and the movable rod.

7. The leak detection apparatus as defined in claim 6, wherein the connection member includes a first plate body and a second plate body, the first plate body and the second plate body are connected at an angle, the first plate body is provided with an assembly hole, a side surface of the movable rod is provided with a first screw hole, and a screw member passes through the assembly hole and is screwed into the first screw hole;

8. The leak detection apparatus as defined in claim 6, wherein the frame includes a base, a support column, and a top plate, the clamp is provided to the base, the support column is supported between the base and the top plate, the top plate is provided with the through hole and the slide hole, and the single-acting cylinder is mounted to the top plate.

9. The leak detection apparatus as defined in claim 2, further comprising a third drive member drivingly connected to the plug.

10. The leak detection apparatus as defined in claim 9, further comprising a control module electrically connected to the vent detection mechanism and the third driver, the control module being provided with a control button.