CN208707549U - A kind of PWM waveform generator assembly - Google Patents

Abstract

The utility model discloses a kind of PWM waveform generator assemblies, including body and bearing plate, wears groove is provided at left and right sides of the body top, and the inner end linking of wears groove has limited block, the outer wall of the limited block is mounted with spring, and the upper end of limited block is fixed with engaging column, shaft is mounted at left and right sides of the bearing plate upper end, and bearing plate is located at the upper end of engaging column, is fixedly connected between the bearing plate and engaging column, and is to be fixedly connected between engaging column and limited block.The PWM waveform generator assembly is provided with hermatic door and magnetic stripe, pass through the rotation of bearing, it is adjusted by rotation the orientation of hermatic door, when hermatic door is fastened on the outside of alcove, it can mutually be adsorbed with for the metal strip of metal material for the magnetic stripe of magnetic material, to hermatic door be fixed, while by the rubber ring on the inside of hermatic door, leakproofness of the hermatic door to alcove when fixed can be improved, play to carrying out dust-proof purpose in alcove.

Description

A kind of PWM waveform generator assembly

Technical field

The utility model relates to PEM waveform transmitters technical field, specially a kind of PWM waveform generator assembly.

Background technique

The exploitation of PWM waveform transmitter, cooperation debugging high-voltage pulse power source when mainly for direction, due to domestic at present high The research that school is directed to the inferior ex vivo situation of impulse electric field in the market is more popular, and the PWM as debugging pulse power parameters drives The exploitation of moving pulse device is come into being, and as the control section of the pulse power, belongs to the core component of entire power-supply system, and The adjustable range of pulse frequency and pulse width can be set by computer program, both guarantee that integrated operation was simply square in this way Just, and high pressure has been isolated, has improved the safety coefficient of experiment.

Transmitter in the market so as to cause main body when being disposed, exists since body exterior structure is more single Not convenient enough problem, efficient and convenient installation storage can not be carried out, simultaneously because there are many regulations for more settings in main body Button and key, Gu dust then easily blocks the attached inside into button, to be asked in the presence of what the control circuit to button impacted Topic, for this purpose, it is proposed that a kind of with protection cleaning function, the convenient and quick PWM waveform generator assembly of installation storage.

Utility model content

The purpose of this utility model is to provide a kind of PWM waveform generator assemblies, to solve to mention in above-mentioned background technique Transmitter out is since body exterior structure is more single, and so as to cause main body when being disposed, there is not enough easily Problem can not carry out efficient and convenient installation storage, simultaneously because there are many regulation button and keys for more settings in main body, Gu Dust then easily blocks the attached inside into button, to there are problems that impacting the control circuit of button.

To achieve the above object, the utility model provides the following technical solutions: a kind of PWM waveform generator assembly, including Body and bearing plate are provided with wears groove at left and right sides of the body top, and the inner end linking of wears groove has limited block, described The outer wall of limited block is mounted with spring, and the upper end of limited block is fixed with engaging column, and the left and right sides of the bearing plate upper end is equal Shaft is installed, and bearing plate is located at the upper end of engaging column, is fixedly connected between the bearing plate and engaging column, and engaging column To be fixedly connected between limited block, the shaft is fixedly arranged above fixing seat, and fixing seat is internally provided with linking spiral shell The front side linking in hole, body middle part right end has bearing, and the right end of bearing is mounted with hermatic door, the right end of the hermatic door It is fixed with magnetic stripe, alcove is provided on the left of the bearing, and the outer end on the left of alcove is fixed with metal strip, the bottom of the body End is mounted with rubber base plate, and the left side setting of body bottom end is fluted, and the inner end of the groove is equipped with cleaning head, and cleans The bottom end of head is provided with card slot, and the inner end linking of the card slot has fixture block, and the inner wall of the cleaning head is fixed with channel washer, and clear The bottom end of clean bar is connected with Clean Brush for cleaning, is provided with glove hole on the outside of the Clean Brush for cleaning.

Preferably, to be flexibly connected between the wears groove and limited block, and central symmetry of the wears groove about body, and limit Position block constitutes elastic construction by spring and body.

Preferably, the fixing seat constitutes rotational structure by shaft and bearing plate, and is connected screw hole about fixing seat Central symmetry, and be connected there are four screw hole settings.

Preferably, between the hermatic door and magnetic stripe to be fixedly connected, and the distance between magnetic stripe and bearing and bearing and The distance between metal strip is identical.

It preferably, is bonding connection between the rubber base plate and body, and the vertical central axes of body and rubber base plate Vertical central axes coincide.

Preferably, the bore of the cleaning head is less than the bore of groove, and cleaning head passes through card slot and fixture block and body structure At clamping mechanism, and to be welded to connect between channel washer and cleaning head, and connect between channel washer and Clean Brush for cleaning to be Nian Jie It connects.

Compared with prior art, the utility model has the beneficial effects that

1, the PWM waveform generator assembly is provided with wears groove and limited block, by being connected sliding between wears groove and limited block Dynamic, i.e., the position of conveniently adjusted engaging column conveniently allows engaging column to carry out slidable adjustment, and passes through the elastic force of spring, Ji Kebian While engaging column is in displacement there is good resiliency to have to allow apparatus body when being fixed by fixing seat One buffer protection performance, and by the rotation of shaft, that is, it is adjusted by rotation the orientation of fixing seat, to select using fixing seat Fixed-direction, and by linking screw hole can come the screw that is spirally connected, so that the fixation that is spirally connected will be carried out between fixing seat and stationary plane, Convenient in such a way that abundant body is fixed, improving the convenience of body installation storage for the fixed outside for being suspended in stationary plane of body Property；

2, the PWM waveform generator assembly is provided with hermatic door and magnetic stripe, by the rotation of bearing, that is, is adjusted by rotation close The orientation of closure door is that the magnetic stripe of magnetic material can be with the metal for metal material when hermatic door is fastened on the outside of alcove Item mutually adsorbs, so that hermatic door be fixed, while by the rubber ring on the inside of hermatic door, that is, hermatic door can be improved to alcove Leakproofness when fixed is played to carrying out dust-proof purpose in alcove, and by the rubber base plate for rubber material, can allow device When body is disposed, there is a good elastic force, the purpose protected body is played, to reach to the member inside body The effect that part is protected；

3, the PWM waveform generator assembly is provided with cleaning head, can dispose cleaning head by groove, and pass through card slot Linking engaging between fixture block, can facilitate and cleaning head is fastened in groove, and can conveniently be disposed by glove hole Channel washer and Clean Brush for cleaning are stored, it, can be by soft Clean Brush for cleaning come to body when hand extracts cleaning head in groove Clean operation is carried out, and then to ensure security performance when body use.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model engaging column and glove hole schematic diagram of internal structure；

Fig. 3 is enlarged structure schematic diagram at A in the utility model Fig. 1.

In figure: 1, body；2, wears groove；3, limited block；4, spring；5, engaging column；6, bearing plate；7, shaft；8, fixing seat； 9, it is connected screw hole；10, bearing；11, hermatic door；12, magnetic stripe；13, alcove；14, metal strip；15, rubber base plate；16, groove； 17, cleaning head；18, card slot；19, fixture block；20, channel washer；21, Clean Brush for cleaning；22, glove hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of PWM waveform generator assembly, including body 1, wears groove 2, limited block 3, spring 4, engaging column 5, bearing plate 6, shaft 7, fixing seat 8, linking screw hole 9, bearing 10, hermatic door 11, magnetic stripe 12, alcove 13, metal strip 14, rubber base plate 15, groove 16, cleaning head 17, card slot 18, fixture block 19, channel washer 20, Clean Brush for cleaning 21 and glove hole 22 are provided with wears groove 2 at left and right sides of 1 top of body, and the inner end linking of wears groove 2 has limit Block 3 is flexibly connected between wears groove 2 and limited block 3, and central symmetry of the wears groove 2 about body 1, and limited block 3 passes through bullet Spring 4 and body 1 constitute elastic construction, by the sliding that is connected between wears groove 2 and limited block 3, i.e., conveniently adjusted engaging column 5 Position conveniently allows engaging column 5 to carry out slidable adjustment, and passes through the elastic force of spring 4, can be convenient for engaging column 5 while displacement With good resiliency, to allow apparatus body when being fixed by fixing seat 8, there is a buffer protection performance, limit The outer wall of position block 3 is mounted with spring 4, and the upper end of limited block 3 is fixed with engaging column 5, and the left and right sides of 6 upper end of bearing plate is pacified Equipped with shaft 7, and bearing plate 6 is located at the upper end of engaging column 5, is fixedly connected between bearing plate 6 and engaging column 5, and engaging column 5 To be fixedly connected between limited block 3, shaft 7 is fixedly arranged above fixing seat 8, and fixing seat 8 is internally provided with linking spiral shell Hole 9, fixing seat 8 constitute rotational structure by shaft 7 and bearing plate 6, and are connected central symmetry of the screw hole 9 about fixing seat 8, and And there are four the linking settings of screw hole 9, by the rotation of shaft 7, that is, it is adjusted by rotation the orientation of fixing seat 8, to select to use The fixed-direction of fixing seat 8, and can be come the screw that is spirally connected, thus by being carried out between fixing seat 8 and stationary plane by linking screw hole 9 Be spirally connected fixation, convenient in such a way that abundant body 1 is fixed, improving the fixed outside for being suspended in stationary plane of body 1 body 1 and pacifying Fill the convenience of storage；

The front side linking of 1 middle part right end of body has bearing 10, and the right end of bearing 10 is mounted with hermatic door 11, hermatic door 11 To be fixedly connected between magnetic stripe 12, and the distance between magnetic stripe 12 and bearing 10 and the distance between bearing 10 and metal strip 14 It is identical, by the rotation of bearing 10, that is, it is adjusted by rotation the orientation of hermatic door 11, when hermatic door 11 is fastened on the outside of alcove 13 When, it is that the magnetic stripe 12 of magnetic material can be adsorbed with for 14 phase of metal strip of metal material, so that hermatic door 11 be fixed, Simultaneously by the rubber ring of 11 inside of hermatic door, that is, leakproofness of the hermatic door 11 to alcove 13 when fixed can be improved, play to recessed Dust-proof purpose is carried out in room 13, the right end of hermatic door 11 is fixed with magnetic stripe 12, and the left side of bearing 10 is provided with alcove 13, and recessed The outer end in 13 left side of room is fixed with metal strip 14, and the bottom end of body 1 is mounted with rubber base plate 15, and sets on the left of 1 bottom end of body It is equipped with groove 16, is bonding connection between rubber base plate 15 and body 1, and the vertical central axes of body 1 and rubber base plate 15 Vertical central axes coincide, by the rubber base plate 15 for rubber material, when body 1 can be allowed to be disposed, very with one Good elastic force, plays the purpose protected body 1, to achieve the effect that protect the element inside body 1, groove 16 inner end is equipped with cleaning head 17, and the bottom end of cleaning head 17 is provided with card slot 18, and the bore of cleaning head 17 is less than groove 16 Bore, and cleaning head 17 constitutes clamping mechanism, and channel washer 20 and cleaning head 17 by card slot 18 and fixture block 19 and body 1 Between to be welded to connect, and be bonding connection between channel washer 20 and Clean Brush for cleaning 21, can be clear to dispose by groove 16 Clean head 17, and by the linking engaging between card slot 18 and fixture block 19, it can facilitate and cleaning head 17 is fastened in groove 16, and Storage channel washer 20 and Clean Brush for cleaning 21 can be conveniently disposed by glove hole 22, when hand extracts cleaning head 17 in groove 16 When, clean operation can be carried out to body 1 by soft Clean Brush for cleaning 21, and then to ensure the safety when use of body 1 Performance, the inner end linking of card slot 18 have fixture block 19, and the inner wall of cleaning head 17 is fixed with channel washer 20, and the bottom end of channel washer 20 connects It is connected to Clean Brush for cleaning 21, the outside of Clean Brush for cleaning 21 is provided with glove hole 22.

Working principle: for this kind of PWM waveform generator assembly, pass through being connected between wears groove 2 and limited block 3 first Sliding, i.e., the position of conveniently adjusted engaging column 5 conveniently allow engaging column 5 to carry out slidable adjustment, and pass through the elastic force of spring 4, i.e., There can be good resiliency while displacement convenient for engaging column 5, so that apparatus body be allowed to be fixed by fixing seat 8 When, there is a buffer protection performance, and pass through the rotation of shaft 7, that is, the orientation of fixing seat 8 is adjusted by rotation, to select Using the fixed-direction of fixing seat 8, and can be come the screw that is spirally connected, thus by between fixing seat 8 and stationary plane by linking screw hole 9 The fixation that is spirally connected is carried out, convenient for body is improved in such a way that abundant body 1 is fixed in the fixed outside for being suspended in stationary plane of body 1 The convenience of 1 installation storage, and pass through the rotation of bearing 10, that is, it is adjusted by rotation the orientation of hermatic door 11, when hermatic door 11 is detained It closes at the outside of alcove 13, is that the magnetic stripe 12 of magnetic material can be adsorbed with for 14 phase of metal strip of metal material, thus right Hermatic door 11 is fixed, while the rubber ring of 11 inside of process hermatic door, that is, when hermatic door 11 can be improved to the fixation of alcove 13 Leakproofness, play to dust-proof purpose is carried out in alcove 13, can also can allow device by the rubber base plate 15 for rubber material When body 1 is disposed, there is a good elastic force, the purpose protected body 1 is played, to reach to inside body 1 The effect protected of element, while cleaning head 17 can be disposed by groove 16, and by card slot 18 and fixture block 19 it Between linking engaging, can facilitate and cleaning head 17 is fastened in groove 16, and can conveniently be deposited by glove hole 22 to dispose Channel washer 20 and Clean Brush for cleaning 21 are put, when hand extracts cleaning head 17 in groove 16, soft Clean Brush for cleaning 21 can be passed through To carry out body 1 clean operation, and then to ensure the security performance when use of body 1, completes entire PWM waveform hair like this The use process of raw device assembly is disclosed prior art the utility model relates to the relevant technology of the circuit arrived.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of PWM waveform generator assembly, including body (1) and bearing plate (6), it is characterised in that: body (1) top The left and right sides be provided with wears groove (2), and wears groove (2) inner end linking have limited block (3), the outer wall of the limited block (3) It is mounted with spring (4), and the upper end of limited block (3) is fixed with engaging column (5), the left and right sides of bearing plate (6) upper end is equal It is equipped with shaft (7), and bearing plate (6) is located at the upper end of engaging column (5), is solid between the bearing plate (6) and engaging column (5) Fixed connection, and to be fixedly connected between engaging column (5) and limited block (3), the shaft (7) is fixedly arranged above fixing seat (8), And being internally provided with for fixing seat (8) is connected screw hole (9), there is bearing (10) the front side linking of right end in the middle part of the body (1), and The right end of bearing (10) is mounted with hermatic door (11), and the right end of the hermatic door (11) is fixed with magnetic stripe (12), the bearing (10) it is provided on the left of alcove (13), and the outer end on the left of alcove (13) is fixed with metal strip (14), the bottom of the body (1) End is mounted with rubber base plate (15), and fluted (16) are arranged in the left side of body (1) bottom end, the inner end installation of the groove (16) Have cleaning head (17), and the bottom end of cleaning head (17) is provided with card slot (18), the inner end linking of the card slot (18) has fixture block (19), the inner wall of the cleaning head (17) is fixed with channel washer (20), and the bottom end of channel washer (20) is connected with Clean Brush for cleaning (21), glove hole (22) are provided on the outside of the Clean Brush for cleaning (21).

2. a kind of PWM waveform generator assembly according to claim 1, it is characterised in that: the wears groove (2) and limited block (3) to be flexibly connected between, and central symmetry of the wears groove (2) about body (1), and limited block (3) passes through spring (4) and device Body (1) constitutes elastic construction.

3. a kind of PWM waveform generator assembly according to claim 1, it is characterised in that: the fixing seat (8) is by turning Axis (7) and bearing plate (6) constitute rotational structure, and are connected the central symmetry of screw hole (9) about fixing seat (8), and be connected spiral shell There are four hole (9) settings.

4. a kind of PWM waveform generator assembly according to claim 1, it is characterised in that: the hermatic door (11) and magnetic To be fixedly connected between item (12), and between the distance between magnetic stripe (12) and bearing (10) and bearing (10) and metal strip (14) Distance it is identical.

5. a kind of PWM waveform generator assembly according to claim 1, it is characterised in that: the rubber base plate (15) with It is bonding connection between body (1), and the vertical central axes of body (1) and the vertical central axes of rubber base plate (15) coincide.

6. a kind of PWM waveform generator assembly according to claim 1, it is characterised in that: the mouth of the cleaning head (17) Diameter is less than the bore of groove (16), and cleaning head (17) constitutes clamping mechanism by card slot (18) and fixture block (19) and body (1), It and to be welded to connect between channel washer (20) and cleaning head (17), and is viscous between channel washer (20) and Clean Brush for cleaning (21) It connects in succession.