CN210322870U

CN210322870U - Resistivity meter

Info

Publication number: CN210322870U
Application number: CN201920987069.6U
Authority: CN
Inventors: 侯雪雪; 陈建辉; 杨昌昌; 田扬
Original assignee: Wenzhou Engineering Investigation Institute Co ltd
Current assignee: Wenzhou Engineering Investigation Institute Co ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-04-14
Anticipated expiration: 2029-06-27

Abstract

The utility model relates to a technical field of engineering check out test set discloses an electrical resistivity instrument, jack in electrical resistivity instrument main part and electrical resistivity instrument main part, be equipped with protector on the jack, protector includes protection casing and fly leaf, the protection casing is fixed in correspond department in the electrical resistivity instrument main part and lie in the jack, the fly leaf rotate connect in the lateral wall of protection casing. The utility model has the advantages of it is following and effect: the protection casing that just is located the jack and corresponds the department in the resistivity appearance main part plays main guard action to the jack, rotates the fly leaf of connecting on the protection casing lateral wall on the one hand and can cover and fit on the protection casing and protect the jack, and the fly leaf can be opened simultaneously, is convenient for realize the grafting of wire and jack, makes protective structure more reasonable, avoids resistivity appearance to examine time measuring in rainy day from this because of the rainwater gets into the jack and makes wire and jack contact failure, influences the problem of detection accuracy.

Description

Resistivity meter

Technical Field

The utility model belongs to the technical field of the technique of engineering check out test set and specifically relates to a resistivity meter is related to.

Background

The resistivity tester is a resistivity monitor, displays resistivity and temperature simultaneously, has an on-line panel type instrument with a resistivity low-limit alarm function, and is widely applied to on-line monitoring of water quality of industrial processes in the industries of pharmacy, electronics, chemical engineering and the like. The single chip microcomputer technology is adopted, and alarm points for low limit of temperature coefficient, electrode constant and resistivity of pure water are freely arranged through keys on a panel, so that the water purifier is an ideal matching instrument for various small and medium-sized pure water devices.

The existing resistivity instrument displays data through a display panel, a plurality of jacks are formed at the top of the resistivity instrument, and wires can be plugged in the jacks for testing the required data.

However, the existing resistivity meter is usually used for outdoor detection, and when the resistivity meter is used for detection in rainy days, rainwater can enter from the jack, so that poor contact between the lead and the jack is caused, and the accuracy of lead detection is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a resistivity appearance makes the resistivity appearance can not make wire and jack contact failure because of the rainwater gets into the jack when rainy day detects, influences the detection accuracy.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a resistivity appearance, includes the jack in resistivity appearance main part and the resistivity appearance main part, is equipped with display panel on the preceding lateral wall of resistivity appearance main part, be equipped with protector on the jack, protector includes protection casing and fly leaf, the protection casing is fixed in on the resistivity appearance main part and lie in the jack and correspond the department, the fly leaf rotate connect in the lateral wall of protection casing.

By adopting the technical scheme, the protective device on the jack protects the jack; the protection casing that just is located the jack and corresponds the department in the resistivity appearance main part plays main guard action to the jack, rotates the fly leaf of connecting on the protection casing lateral wall on the one hand and can cover and fit on the protection casing and protect the jack, and the fly leaf can be opened simultaneously, is convenient for realize the grafting of wire and jack, makes protective structure more reasonable, avoids resistivity appearance main part to get into the jack because of the rainwater makes wire and jack contact failure, influences the problem of detection accuracy when the rainy day detects from this.

The utility model discloses further set up to: the movable plate and the side wall corresponding to the protective cover extend to form a connecting plate, a groove for accommodating the connecting plate is formed in the side wall of the protective cover, and a rotating shaft is correspondingly arranged on the side wall of the groove and the side wall of the connecting plate in a penetrating mode.

Through adopting above-mentioned technical scheme, extend the connecting plate that forms on the fly leaf and the recess cooperation on the shield to realize the rotation of the relative protection casing of fly leaf through the axis of rotation, make the connection of fly leaf and protection casing more reasonable.

The utility model discloses further set up to: and a baffle is movably connected to one side of the jack, which is close to the movable plate, in the protective cover.

By adopting the technical scheme, the baffle in the protective cover can further assist in realizing the protection of the jacks, rainwater can possibly infiltrate from a gap formed at the joint of the movable plate and the protective cover, and therefore the baffle is positioned at one side close to the movable plate, and the structure is more reasonable; baffle swing joint is in the protection casing, accomodates the baffle back can convenient grafting wire, and the operation is more convenient.

The utility model discloses further set up to: the resistivity meter main body is provided with a mounting groove, the baffle is inserted in the mounting groove, and a connecting spring is fixed at the position of the baffle corresponding to the mounting groove; the upper part of the baffle is bent.

By adopting the technical scheme, the mounting groove on the resistivity meter main body is used for accommodating the baffle, and the connecting spring realizes the elastic connection of the baffle in the mounting groove, so that the baffle can extrude the connecting spring to be accommodated in the mounting groove and can reset under the action of the restoring force of the connecting spring to play a role in stably protecting the jack; the upper part of the baffle is bent, so that rainwater can be prevented from splashing into the jack.

The utility model discloses further set up to: the movable plate is movably connected with a plug board through a connecting structure.

By adopting the technical scheme, the connection structure enables the plugboard to stretch out and draw back in the movable plate, so that the situation that the plugboard and the movable plate are in an open state when the plugboard and the movable plate are overturned is avoided, the extension degree is too long, the wire is prevented from being influenced in plugging, and the plugging positioning of the plugboard in the positioning groove is facilitated.

The utility model discloses further set up to: the connecting structure comprises an accommodating cavity, a connecting block and a sliding groove, the accommodating cavity is formed in the movable plate, and the insertion plate is accommodated and slidably arranged in the accommodating cavity; the sliding groove is formed in the side wall of the movable plate, the connecting block is fixed on the insertion plate and penetrates through the sliding groove, and the connecting block is slidably arranged in the sliding groove.

By adopting the technical scheme, the accommodating cavity in the movable plate provides space for accommodating and moving the plugboard, and the connecting block on the plugboard penetrates through the sliding groove on the side wall of the movable plate, so that the connecting block is driven from the outside to control the movement of the plugboard; the connecting block is slidably arranged in the sliding groove, so that the whole structure is more reasonable.

The utility model discloses further set up to: the side wall of the insertion plate is fixedly provided with a fixed block in an extending mode, a matching groove for the fixed block to slide is formed in the movable plate, and the fixed block and the matching groove are fixedly connected with tension springs at corresponding positions.

By adopting the technical scheme, the fixed block on the side wall of the plugboard is slidably arranged in the matching groove in the movable plate, and the elastic connection of the fixed block in the matching groove is realized through the tension spring, so that the plugboard can be accommodated in the movable plate under the elastic action of the tension spring.

The utility model discloses further set up to: the resistivity meter is characterized in that a protrusion is fixed below the side wall of the plug board, a positioning groove which is matched and plugged with the plug board is formed in the resistivity meter main body, and a clamping groove which is matched and clamped with the protrusion is formed in the side wall of the positioning groove.

By adopting the technical scheme, the plugboard is correspondingly plugged into the positioning groove on the resistivity instrument main body, and the plugboard is stably fixed on the resistivity instrument main body by the corresponding clamping of the bulge and the clamping groove below the side wall of the plugboard, so that the aim of fixing the plugboard is fulfilled.

To sum up, the utility model discloses following beneficial effect has:

1. the protective device on the jack protects the jack; the protective cover on the resistivity meter main body and positioned at the corresponding position of the jack plays a main role in protecting the jack, the movable plate rotatably connected to the side wall of the protective cover can cover the protective cover to protect the jack on one hand, and meanwhile, the movable plate can be opened, so that the plugging of the wire and the jack is convenient to realize, the protective structure is more reasonable, and the problem that the detection accuracy is influenced because the wire and the jack are in poor contact due to the fact that rainwater enters the jack when the resistivity meter main body is detected in rainy days is solved;

2. the mounting groove on the resistivity meter main body is used for accommodating the baffle, and the connecting spring realizes the elastic connection of the baffle in the mounting groove, so that the baffle can extrude the connecting spring to be accommodated in the mounting groove and can reset under the restoring force action of the connecting spring to play a role in stably protecting the jack; the upper part of the baffle is arc-shaped, so that rainwater is prevented from splashing into the jacks;

3. the connection structure enables the plugboard to stretch out and draw back in the movable plate, so that the plugboard and the movable plate are prevented from influencing the plugging of the wires due to overlong elongation when being turned to an open state, and the plugboard is convenient to realize the plugging positioning in the positioning groove; the plugboard is correspondingly plugged into the positioning groove on the main body of the resistivity meter, and the plugboard is stably fixed on the main body of the resistivity meter by the corresponding clamping of the bulge and the clamping groove below the side wall of the plugboard, so that the aim of fixing the plugboard is fulfilled.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic diagram of a partial explosion of the shield of the present embodiment in mated connection with a resistivity tool body;

FIG. 3 is a schematic view showing a partial cross section of the baffle plate of the present embodiment in mating connection with the mounting groove;

fig. 4 is a partial sectional view for highlighting the mating connection between the inserting board and the movable board of the present embodiment.

Reference numerals: 1. a resistivity meter body; 11. mounting grooves; 12. a display panel; 2. a jack; 3. a guard; 31. a protective cover; 311. a groove; 32. a movable plate; 321. a connecting plate; 322. a mating groove; 33. a rotating shaft; 4. a baffle plate; 5. a connecting spring; 6. a connecting structure; 61. an accommodating cavity; 62. connecting blocks; 63. a chute; 7. a plugboard; 71. a fixed block; 72. a protrusion; 8. a tension spring; 9. positioning a groove; 91. a clamping groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A resistivity meter, as shown in fig. 1 and 2, comprises a resistivity meter main body 1 and a jack 2 on the resistivity meter main body 1, wherein a display panel 12 is arranged on the front side wall of the resistivity meter main body 1, a lead can be plugged into the jack 2 on the resistivity meter main body 1, and the lead is connected with the resistivity meter main body 1 to display detection data; be equipped with protector 3 on jack 2, protect jack 2 through protector 3, make resistivity appearance main part 1 not influenced in the application of rainy day.

As shown in fig. 1 and 2, the protection device 3 includes a protection cover 31 and a movable plate 32, the protection cover 31 is fixed on the resistivity meter main body 1 and located at a position corresponding to the insertion hole 2, the movable plate 32 is rotatably connected to the rear sidewall of the protection cover 31, so that when the movable plate 32 is opened, the wires can be conveniently inserted into the insertion hole 2, and the movable plate 32 is located at the rear sidewall of the protection cover 31, the wires can be led out from the rear sidewall of the resistivity meter main body 1, thereby avoiding affecting the observation of the display panel 12.

As shown in fig. 2 and 3, a baffle 4 is movably connected to a side of the receptacle 2 close to the movable plate 32 in the protective cover 31, so that the baffle 4 can further protect the receptacle 2, and rainwater is prevented from entering along a gap between the movable plate 32 and the protective cover 31 and falling into the receptacle 2; the upper part of the baffle 4 is bent towards one side close to the movable plate 32, so that rainwater is prevented from splashing into the jack 2; the resistivity meter main body 1 is provided with a mounting groove 11, the baffle 4 is inserted into the mounting groove 11, a connecting spring 5 is fixed at the position where the baffle 4 corresponds to the mounting groove 11, and the baffle 4 is accommodated in the mounting groove 11 so as to avoid the influence on the corresponding insertion of the wires and the jacks 2.

As shown in fig. 2 and 4, two ends of the upper portion of the side wall of the movable plate 32 corresponding to the shield 31 extend to form a connecting plate 321, two grooves 311 for accommodating the connecting plate 321 are formed on the top wall of the shield 31, a rotating shaft 33 is correspondingly penetrated through the side wall of the groove 311 and the side wall of the connecting plate 321, and the movable plate 32 can rotate around the rotating shaft 33 as an axis, so as to open and close the shield 31.

As shown in fig. 2 and 4, the lower portion of the movable plate 32 is movably connected with the plugboard 7 through the connecting structure 6. The connecting structure 6 comprises an accommodating cavity 61, a connecting block 62 and a sliding chute 63, the accommodating cavity 61 is formed in the movable plate 32, and the plugboard 7 is accommodated and slidably arranged in the accommodating cavity 61, so that the plugboard 7 can be accommodated in the movable plate 32; the sliding groove 63 is formed in the middle of the rear sidewall of the movable plate 32, the connecting block 62 is fixed in the middle of the rear sidewall of the plugboard 7 and penetrates through the sliding groove 63, and the connecting block 62 is slidably disposed in the sliding groove 63, so that the plugboard 7 can be driven to slide in the movable plate 32 by externally controlling the connecting block 62.

As shown in fig. 4, the fixed block 71 is fixed to the upper portions of the left and right side walls of the plugboard 7 in an extending manner, the movable plate 32 is provided with a matching groove 322 for the fixed block 71 to slide on the left and right side walls, and a tension spring 8 is fixedly connected between the upper portion of the fixed block 71 and the top wall of the matching groove 322, so that the plugboard 7 has an acting force for automatically contracting upwards in the movable plate 32.

As shown in fig. 2 and 4, protrusions 72 are fixed below the left and right side walls of the plugboard 7, a positioning groove 9 which is matched and spliced with the plugboard 7 is formed on the resistivity meter main body 1, and clamping grooves 91 which are matched and clamped with the protrusions 72 are formed on the left and right side walls of the positioning groove 9, so that the plugboard 7 can be fixed.

The specific operation flow of this embodiment is as follows:

when the wires are plugged, firstly, the connecting block 62 is held by hands and lifted upwards, so that the protrusion 72 is separated from the clamping groove 91, at this time, the fixed block 71 slides upwards under the elastic force of the tension spring 8, the plugging plate 7 is driven to move upwards in the movable plate 32, then the movable plate 32 is turned to be parallel to the top wall of the protective cover 31, at this time, the baffle plate 4 is pressed downwards and the connecting spring 5 is extruded, and therefore the wires can be conveniently plugged with the jack 2.

After the wires are plugged, the baffle 4 is reset under the restoring force effect of the connecting spring 5, and the plug hole 2 is further protected.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a resistivity appearance, includes jack (2) on resistivity appearance main part (1) and resistivity appearance main part (1), is equipped with display panel (12), its characterized in that on the preceding lateral wall of resistivity appearance main part (1): be equipped with protector (3) on jack (2), protector (3) include protection casing (31) and fly leaf (32), protection casing (31) are fixed in on resistivity appearance main part (1) and lie in jack (2) and correspond the department, fly leaf (32) rotate connect in the lateral wall of protection casing (31).

2. A resistivity tool according to claim 1 wherein: the protection cover is characterized in that a connecting plate (321) extends from the movable plate (32) to the side wall corresponding to the protection cover (31), a groove (311) for accommodating the connecting plate (321) is formed in the side wall of the protection cover (31), and a rotating shaft (33) penetrates through the side wall of the groove (311) and the side wall of the connecting plate (321) correspondingly.

3. A resistivity tool according to claim 2 wherein: the protective cover (31) is arranged in the inserting hole (2) and is close to one side of the movable plate (32), and a baffle (4) is movably connected to one side of the inserting hole.

4. A resistivity tool according to claim 3 wherein: an installation groove (11) is formed in the resistivity meter main body (1), the baffle (4) is inserted in the installation groove (11), and a connecting spring (5) is fixed at the position, corresponding to the installation groove (11), of the baffle (4); the upper part of the baffle (4) is bent.

5. A resistivity tool according to claim 2 wherein: the movable plate (32) is movably connected with a plugboard (7) through a connecting structure (6).

6. A resistivity tool according to claim 5 wherein: the connecting structure (6) comprises an accommodating cavity (61), a connecting block (62) and a sliding groove (63), the accommodating cavity (61) is formed in the movable plate (32), and the inserting plate (7) is accommodated and slidably arranged in the accommodating cavity (61); the sliding groove (63) is formed in the side wall of the movable plate (32), the connecting block (62) is fixed on the insertion plate (7) and penetrates through the sliding groove (63), and the connecting block (62) is slidably arranged in the sliding groove (63).

7. A resistivity tool according to claim 6 wherein: the side wall of plugboard (7) is extended and fixed with fixed block (71), a movable plate (32) is internally provided with a matching groove (322) for the fixed block (71) to slide, and the fixed block (71) and the matching groove (322) are fixedly connected with a tension spring (8) at the corresponding position.

8. A resistivity tool according to claim 7 wherein: the resistivity meter is characterized in that a protrusion (72) is fixed on the side wall of the plug board (7), a positioning groove (9) which is matched and spliced with the plug board (7) is formed in the resistivity meter main body (1), and a clamping groove (91) which is matched and clamped with the protrusion (72) is formed in the side wall of the positioning groove (9).