CN212110077U - Connecting device for transmitter and transmitter - Google Patents

Abstract

The utility model discloses a connecting device for changer, contain interior sleeve pipe and outer tube, be equipped with through-hole and terminal linkage subassembly on the interior sleeve pipe, terminal linkage subassembly contains drive lever and driven lever, drive lever and driven lever are "T" type and connect, be equipped with button and elastic component on the drive lever, the push button will drive the drive lever horizontal migration under the effect of elastic component, be equipped with the terminal head on the driven lever, be connected with wire A on this terminal head, this terminal head can stretch out and draw back the removal in the through-hole under the effect of drive lever and driven lever; the inner wall of the outer sleeve is provided with a contact groove corresponding to the terminal head, and the contact groove is connected with a lead B; the transducer comprises a gauge head, a gauge stand and a connecting device, wherein the connecting device is arranged in an inner cavity of the gauge head and the gauge stand and is electrically connected with the measuring circuit and the sensing assembly, and the problem that a wire connected between the sensing assembly and the measuring circuit is broken or damaged due to human factors easily in the process of disassembling and assembling of the existing transducer is solved by the connecting device.

Description

Connecting device for transmitter and transmitter

Technical Field

The utility model relates to a connecting device and changer for changer.

Background

Transmitters have been developed from sensors, whose main function is to detect physical quantities of process parameters such as temperature, pressure, flow, level, composition, etc., and to transmit the measured values in the form of specific signals for display and adjustment.

The main structure of the existing transmitter comprises a gauge head and a gauge stand, and referring to fig. 1-2, a measuring circuit is installed in an inner cavity of the gauge head, a sensing assembly is installed in an inner cavity of the gauge stand, the measuring circuit in the existing gauge head is electrically communicated with the sensing assembly in the gauge stand through a wire, and the joint of the gauge head and the gauge stand can rotate relatively; at present, when the changer was in the dismouting, some field work personnel were long to carry out the dismouting with the mode of twisting the gauge outfit, because the gauge outfit can be rotatory for the gauge stand, consequently will lead to connecting sensing component and measuring circuit's wire fracture or damage, so increased the use and the maintenance cost of changer. Therefore, in view of the above problems, the present application provides a connecting device for a transmitter and a transmitter.

Disclosure of Invention

The utility model aims at providing a changer solves current changer because the human factor easily leads to the problem of connecting 3 fracture or damage of wire between sensing component 21 and measuring circuit 11 at the dismouting in-process.

The utility model provides a connecting device for changer, this connecting device are used for installing between measuring circuit (11) and sensing element (21) at the changer, connecting device contain interior sleeve pipe (4) and outer tube (5), be equipped with through-hole (41) and terminal linkage subassembly on interior sleeve pipe (4), through-hole (41) set up including on the lateral wall of sleeve pipe (4) and be the multiunit, terminal linkage subassembly sets up in inner tube (4), and this terminal linkage subassembly contains driving lever (42) and driven lever (43), driving lever (42) and driven lever (43) are "T" type and connect, be equipped with button (421) and elastic component (422) on driving lever (42), button (421) set up in the one end of driving lever (42) and pass through-hole (41) and extend to the outside of interior sleeve pipe (4), elastic component (422) set up at the other end of driving lever (42) or elastic component (422) set up at the other end of driving lever (42) One side of the driving rod (42) is perpendicular to the driving rod (42), the free end of the elastic component (422) is fixed to the inner wall of the inner sleeve (4), the driving rod (42) is driven to transversely stretch and move under the action of the elastic component (422) by pushing the button (421), the driven rod (43) is provided with a terminal head (432), the terminal head (432) extends to the outside of the inner sleeve (4) through the head of the through hole (41), the terminal head (432) is connected with a lead A (31), and the terminal head (432) can stretch into the through hole (41) or the inner sleeve (4) under the action of the driving rod (42) and the driven rod (43); a contact groove (51) corresponding to the terminal head (432) is arranged on the inner wall of the outer sleeve (5), and a lead B (32) is connected to the contact groove (51); the lead A (31) and the lead B (32) respectively extend to the outside of the inner sleeve (4) and the outer sleeve (5).

As a preferable scheme of the application, the contact groove (51) is of an annular structure, namely the contact groove (51) is arranged on one circle of the inner wall of the outer sleeve (5); or the contact groove (51) is in an arc structure.

In a preferred embodiment of the present invention, the terminal heads (432) include a plurality of sets, and the plurality of sets of terminal heads (432) are arranged on the driven lever (43) in parallel and in the longitudinal direction.

As a preferred aspect of the present application, the elastic member (422) may be provided in a plurality of sets.

The application also provides a transmitter, which comprises a gauge outfit (1) and a gauge stand (2), wherein a measuring circuit (11) is arranged in an inner cavity of the gauge outfit (1), a sensing component (21) is arranged in an inner cavity of the gauge stand (2), the transmitter also comprises a connecting device which is arranged in inner cavities of the gauge outfit (1) and the gauge stand (2), an inner sleeve (4) of the connecting device is fixed in the inner cavity of the gauge outfit (1), a wire A (31) in the inner sleeve (4) is electrically connected with the measuring circuit (11) in the gauge outfit (1), an outer sleeve (5) of the connecting device is fixed in the inner cavity of the gauge stand (2), and a wire B (32) in the outer sleeve (5) is electrically connected with the sensing component (21) in the gauge stand (2); or the outer sleeve (5) of the connecting device is fixed in the inner cavity of the gauge outfit (1), the lead B (32) in the outer sleeve (5) is electrically connected with the measuring circuit (11) in the gauge outfit (1), the inner sleeve (4) of the connecting device is fixed in the inner cavity of the gauge stand (2), and the lead A (31) in the inner sleeve (4) is electrically connected with the sensing assembly (21) in the gauge stand (2).

Compared with the prior art, the advantages that this connecting device and changer in this application exist include:

(1) the lead 3 connecting the sensing assembly 21 and the measuring circuit 11 is divided into two parts, one part is arranged in the inner sleeve 4, the other part is arranged in the outer sleeve 5, and the two parts are communicated by the contact of the terminal head 432 and the contact groove 51, so that the using length of the lead 3 is saved, and the lead 3 is prevented from being wound in a crossed mode.

(2) The inner sleeve 4 and the outer sleeve 5 are clamped with the contact slot 51 through the terminal head 432, whether the inner sleeve 4 can rotate relative to the outer sleeve 5 is determined by the arrangement structure of the contact slot 51, when the contact slot 51 is a clamping slot with a size corresponding to the terminal head 432, the inner sleeve 4 is fixed in the outer sleeve 5 and cannot rotate, when the contact slot 51 is of an arc-shaped or annular structure, the terminal head 432 can move in the contact slot 51 of the arc-shaped or annular structure, meanwhile, the inner sleeve 4 can rotate relative to the outer sleeve 5, and when the transducer is actually used, whether the inner sleeve 4 can rotate relative to the outer sleeve 5 or not, the phenomenon that the conductor 3 connected between the sensing assembly 21 and the measuring circuit 11 is broken or damaged due to the fact that the transducer is assembled and disassembled in a meter head screwing mode can be avoided, and the use.

Drawings

Fig. 1 is a schematic view of a front view structure of a conventional transmitter provided by the present invention.

Fig. 2 is the internal structure diagram of the present transmitter provided by the present invention.

Fig. 3 is an assembly diagram of a connection device according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of the connection device according to the first embodiment of the present invention after assembly.

Fig. 5 is a cross-sectional view of an outer sleeve with an arc-shaped contact groove according to an embodiment of the present invention.

Fig. 6 is a cross-sectional view of an inner sleeve with two sets of elastic members according to an embodiment of the present invention.

Fig. 7 is a schematic structural view of a terminal linkage assembly of the button disposed on the top of the inner sleeve according to the second embodiment of the present invention.

Fig. 8 is a schematic diagram of an internal structure of a transmitter with a connection device according to a third embodiment of the present invention.

Reference numerals

Gauge outfit 1, measuring circuit 11, gauge stand 2, sensing assembly 21, lead 3, lead A31, lead B32, inner sleeve 4, through hole 41, driving rod 42, button 421, elastic assembly 422, driven rod 43, connecting rod 431, terminal head 432, outer sleeve 5 and contact slot 51.

Detailed Description

Example 1:

the present embodiment provides a coupling device for a transmitter for mounting between the measurement circuitry 11 and the sensing assembly 21 of the transmitter, i.e. for connecting in place of the conventional wire 3.

The connecting device comprises an inner sleeve 4 and an outer sleeve 5 sleeved on the inner sleeve, referring to fig. 3-4, an opening or an orifice is arranged at the upper end of the inner sleeve 4, meanwhile, a through hole 41 and a terminal linkage assembly are arranged on the inner sleeve 4, the through holes 41 are arranged on the side wall of the inner sleeve 4 and are in multiple groups, in the embodiment, the number of the through holes 41 is set according to the actual situation, and the embodiment is not specifically limited; the terminal linkage assembly is arranged in the inner sleeve 4, the terminal linkage assembly comprises a driving rod 42 and a driven rod 43, the driving rod 42 and the driven rod 43 are connected in a T shape, the driven rod 43 is preferably arranged vertically below the driving rod 42 in the embodiment, two ends of the driving rod 42 are respectively connected with a button 421 and an elastic assembly 422, wherein the button 421 passes through the through hole 41 and partially or completely extends to the outside of the inner sleeve 4, the free end of the elastic assembly 422 is fixed on the inner wall of the inner sleeve 4, pressing the button 421 drives the driving rod 42 to transversely (horizontally) move in a telescopic manner under the action of the elastic assembly 422, a terminal head 432 is arranged on the driven rod 43, in the embodiment, the terminal head 432 is connected with the driven rod 43 through a connecting rod 431 and partially or completely extends to the outside of the inner sleeve 4 through the through hole 41, a conducting wire a31 is connected on the terminal head 432, and the conducting wire a31 extends out, the terminal head 432 can be contracted into the through hole 41 or the inner sleeve 4 under the action of the driving rod 42 and the driven rod 43, and the embodiment is preferably contracted into the through hole 41; in the present embodiment, preferably, the top of the outer sleeve 5 is provided with an opening for mounting the inner sleeve 4, the bottom of the outer sleeve 5 is provided with an opening, and the lead B32 connected to the contact groove 51 extends to the outside of the outer sleeve 5 through the bottom opening, but the lead B32 may also extend to the outside through the opening at the upper end of the outer sleeve 5.

In practical use, the button 421 is pressed to drive the driving rod 42 and the driven rod 43 to move horizontally so as to drive the terminal head 432 to retract into the through hole 41, then the inner sleeve 4 is sleeved into the outer sleeve 5, the button 421 is released at a proper position so as to enable the terminal head 432 to reset with the driving rod 42 and the driven rod 43 under the action of the elastic component 422, meanwhile, the driving rod 42 and the driven rod 43 drive the terminal head 432 to extend out of the through hole 41 and enter the contact point groove 51, at this time, the assembly of the connecting device is completed, finally, the connecting device is installed in the inner cavity of the transmitter, the lead A31 is preferably connected with the measuring circuit 11 in the transmitter, the lead B32 is preferably connected with the sensing component 21 in the transmitter, and of course, the lead A31 can also be connected with the sensing component 21 in the transmitter, and the lead B32 is connected with the measuring circuit.

In this embodiment, the terminal heads 432 include a plurality of sets, preferably three sets in this embodiment, the three sets of terminal heads 432 are longitudinally and parallelly arranged on the driven rod 43, and in actual use, the three sets of terminal heads 432 can synchronously extend and retract along with the driving rod 42 and the driven rod 43.

In the present embodiment, the contact slot 51 is in a ring structure, that is, the contact slot 51 is disposed on one circumference of the inner wall of the outer sleeve 5, and referring to fig. 3, when the terminal head 432 is located in the contact slot 51, the terminal head 432 can contact the contact slot 51 in any orientation, so as to ensure that two sets of control elements connected with the wires a31 and B32 are always connected.

In this embodiment, the contact slot 51 may also have an arc-shaped configuration, and when the terminal head 432 moves in the contact slot 51, as shown in fig. 5, two sets of control elements connected to the wires a31 and B32 are always connected.

In this embodiment, set up contact groove 51 into arc or annular structure and can make things convenient for terminal head 432 to remove in contact groove 51, and then conveniently in the in-service use in to gauge outfit 1 for the adjustment of gauge stand 2 position, so, when the changer has gauge outfit 1 position anomaly or can't directly perceived reading data in the in-service use, the adjustment is carried out to the accessible rotatory mode, and simultaneously, also avoid carrying out the dismouting with the mode of twisting gauge outfit 1 in the in-service use dismouting process, lead to the problem of connecting sensing component 21 and measuring circuit 11's wire 3 fracture or damage.

Of course, the contact groove 51 may be set to a slot structure corresponding to the terminal head 432 as needed, and in this structure, the terminal head 432 is clamped in the contact groove 51, so that the automatic rotation and displacement of the gauge head 1 relative to the gauge stand 2 can be avoided, and meanwhile, the problem that the lead 3 is easily broken or damaged due to the fact that the gauge head 1 is screwed and disassembled is also avoided.

In this embodiment, in order to enhance the contact force of the terminal head 432 with the contact slot 51, to prevent the terminal head 432 from slipping out of the contact slot 51, and to prevent the movement of the watch head 1 relative to the watch base 2 during actual use, it is preferable that a plurality of sets of elastic members 422 are provided, and in this embodiment, two sets of elastic members 422 are preferably provided, referring to fig. 6, one set of elastic members 422 is provided at one end of the driving lever 42, the other set of elastic members 422 is provided at a middle position of the driven lever 43 and is perpendicular to the driven lever 43, and the elastic coefficient of the elastic member 422 at one end of the driving lever 42 is preferably greater than the elastic coefficient of the elastic member 422 at the driven lever 43.

In this embodiment, the connecting device is preferably used for a transmitter, and of course, the connecting device can also be applied to other instruments with similar problems to the transmitter as required to solve the problems that the traditional lead 3 is easy to break, damage or inconvenient to install when connected.

Example 2:

compared with embodiment 1, the difference of this embodiment is that the top of the inner sleeve 4 is half-open, the terminal linkage assembly disposed in the inner sleeve 4 comprises a driving rod 42 and a driven rod 43, the driving rod 42 and the driven rod 43 are connected in a "T" shape, in this embodiment, it is preferable that the driving rod 42 is disposed longitudinally, the driven rod 43 is disposed at one side of the driving rod 42, see fig. 7, the side wall of the inner sleeve 4 is provided with a through hole 41 for the terminal head 432 to enter and exit, and at the same time, the top of the inner sleeve 4 is provided with an orifice for facilitating the movement of the button 421; the driving rod 42 is provided with a button 421 and an elastic component 422, the button 421 is arranged on the top of the driving rod 42 and extends to the outside of the hole, the elastic component 422 is arranged on one side of the driving rod 42 and is opposite to the driven rod 43, the free end of the driven rod 43 is provided with a terminal head 432, and the terminal head 432 partially extends to the outside of the through hole 41. When the inner and outer sleeves 5 are assembled, the button 421 is pushed in a certain direction, in this embodiment, the button 421 is preferably pushed rightwards, the driving rod 42 and the driven rod 43 horizontally move under the action of the pushing force and drive the terminal head 432 to contract into the through hole 41, then the inner sleeve 4 is sleeved into the outer sleeve 5, the button 421 is released at a proper position to reset with the driving rod 42 and the driven rod 43 under the action of the elastic component 422, meanwhile, the driving rod 42 and the driven rod 43 drive the terminal head 432 to extend out of the through hole 41 and to enter the contact point slot 51, at this time, the assembly of the connecting device is completed, the connecting structure of the connecting device in the transmitter is the same as that in embodiment 1, and this embodiment is not specifically described.

Example 3:

the embodiment provides a transmitter, which comprises a meter head 1 and a meter base 2, wherein a measuring circuit 11 is installed in the inner cavity of the meter head 1, a sensing assembly 21 is installed in the inner cavity of the meter base 2, a connecting device described in the above embodiment 1 or 2 is installed in the inner cavities of the meter head 1 and the meter base 2, an inner sleeve 4 of the connecting device is fixed in the inner cavity of the meter head 1, a lead A31 in the inner sleeve 4 is electrically connected with the measuring circuit 11 in the meter head 1, an outer sleeve 5 of the connecting device is fixed in the inner cavity of the meter base 2, and a lead B32 in the outer sleeve 5 is electrically connected with the sensing assembly 21 in the meter base 2, see FIG. 8; alternatively, the outer sleeve 5 of the connection device is fixed in the inner cavity of the gauge head 1, and the lead wire B32 in the outer sleeve 5 is electrically connected with the measurement circuit 11 in the gauge head 1, the inner sleeve 4 of the connection device is fixed in the inner cavity of the gauge stand 2, and the lead wire a31 in the inner sleeve 4 is electrically connected with the sensing assembly 21 in the gauge stand 2.

When the device is used, the transmitter is assembled or assembled in advance, and the assembling comprises connecting device assembling and transmitter assembling; the connecting device assembly specifically comprises: firstly, pressing or pushing the button 421 to drive the driving rod 42 and the driven rod 43 to move horizontally so as to drive the terminal head 432 to contract into the through hole 41, then sleeving the inner sleeve 4 into the outer sleeve 5, and releasing the button 421 at a proper position so as to enable the terminal head 432 to reset with the driving rod 42 and the driven rod 43 under the action of the elastic component 422, meanwhile, the driving rod 42 and the driven rod 43 drive the terminal head 432 to extend out of the through hole 41 and enter the contact point groove 51, and at this time, the assembly of the connecting device is completed; the transmitter assembly specifically comprises: mounting the coupling device in the interior chamber portion of the transmitter, with conductor A31 preferably connected to measurement circuitry 11 in the transmitter and conductor B32 preferably connected to sensing assembly 21 in the transmitter; when the transmitter is in actual use, the installation mode and the structure of the transmitter on monitored equipment are the same as those of the prior art, and the difference is that the connecting device is adopted to replace the traditional lead 3 to connect the measuring circuit 11 and the sensing component 21, and the contact groove 51 in the connecting device is preferably set into an arc or annular structure, so that the connection between the measuring circuit 11 and the sensing component 21 can be realized as long as the terminal head 432 is positioned in the contact groove 51 no matter in which direction the terminal head is positioned, and further, the connection and the performance of the internal lead 3 can be ensured to be relatively rotated and not to be influenced, in the actual use process, when the transmitter has abnormal position of the gauge head 1 or cannot visually read data, the position of the gauge head 1 relative to the gauge seat 2 can be adjusted in a rotating mode, and meanwhile, the problem that some workers easily disassemble and assemble the lead 3 for connecting the sensing component 21 and the measuring circuit 11 to be broken or damaged in a mode of screwing the gauge head 1 is avoided Therefore, the transmitter in the embodiment is not only convenient to use, but also low in use cost.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be pointed out that, for the person skilled in the art, without departing from the scope of the present invention, several improvements can be made, which should also be considered as the scope of protection of the present invention, and these will not affect the effectiveness of the implementation of the present invention and the practicability of the patent. The scope of protection claimed in the present application shall be subject to the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims (5)

1. The utility model provides a connecting device for changer, this connecting device is used for installing between measuring circuit (11) and sensing element (21) of changer, its characterized in that, connecting device contains interior sleeve pipe (4) and outer tube (5), be equipped with through-hole (41) and terminal linkage subassembly on interior sleeve pipe (4), through-hole (41) set up including on the lateral wall of sleeve pipe (4) and be the multiunit, terminal linkage subassembly sets up in inner tube (4), and this terminal linkage subassembly contains driving lever (42) and driven lever (43), driving lever (42) and driven lever (43) are "T" type and connect, be equipped with button (421) and elastic component (422) on driving lever (42), button (421) set up in the one end of driving lever (42) and pass through-hole (41) and extend to the outside of interior sleeve pipe (4), elastic component (422) set up the other end at driving lever (42) or elastic component (422) set up at the other end of driving lever (42) One side of the driving rod (42) is perpendicular to the driving rod (42), the free end of the elastic component (422) is fixed to the inner wall of the inner sleeve (4), the driving rod (42) is driven to transversely stretch and move under the action of the elastic component (422) by pushing the button (421), the driven rod (43) is provided with a terminal head (432), the terminal head (432) extends to the outside of the inner sleeve (4) through the head of the through hole (41), the terminal head (432) is connected with a lead A (31), and the terminal head (432) can be retracted into the through hole (41) or the inner sleeve (4) under the action of the driving rod (42) and the driven rod (43); a contact groove (51) corresponding to the terminal head (432) is arranged on the inner wall of the outer sleeve (5), and a lead B (32) is connected to the contact groove (51); the lead A (31) and the lead B (32) respectively extend to the outside of the inner sleeve (4) and the outer sleeve (5).

2. The connecting device according to claim 1, characterized in that the contact groove (51) is of annular configuration, i.e. the contact groove (51) is arranged around the inner wall of the outer sleeve (5); or the contact groove (51) is in an arc structure.

3. The connecting device according to claim 2, wherein the terminal heads (432) comprise a plurality of sets of terminal heads (432) arranged longitudinally and side by side on the driven bar (43).

4. A connection device according to any of claims 1-3, characterized in that said elastic member (422) is provided in a plurality of sets.

5. Transmitter comprising a header (1) and a base (2), the header (1) having a measuring circuit (11) mounted in its interior and the base (2) having a sensing component (21) mounted in its interior, characterized in that it comprises a connection device according to any one of claims 1 to 3 mounted in the interior of the header (1) and the base (2), the connection device having an inner sleeve (4) fixed in the interior of the header (1) and a wire a (31) in the inner sleeve (4) electrically connected to the measuring circuit (11) in the header (1), the outer sleeve (5) of the connection device being fixed in the interior of the base (2) and a wire B (32) in the outer sleeve (5) being electrically connected to the sensing component (21) in the base (2); or the outer sleeve (5) of the connecting device is fixed in the inner cavity of the gauge outfit (1), the lead B (32) in the outer sleeve (5) is electrically connected with the measuring circuit (11) in the gauge outfit (1), the inner sleeve (4) of the connecting device is fixed in the inner cavity of the gauge stand (2), and the lead A (31) in the inner sleeve (4) is electrically connected with the sensing assembly (21) in the gauge stand (2).

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